八年級上冊英語動詞怎麼用
① 人教版八年級上冊英語知識點
有質量的知識才是名校的真實力，每一所這樣的大學，至少都有十種左右高質知識儲備在教授門手中，儲備在這些學校與世界的多重聯系中，正是這高質量知識的儲備。下面我給大家分享一些人教版 八年級 上冊英語知識，希望能夠幫助大家，歡迎閱讀!
人教版八年級上冊英語知識1
1. It』s +形容詞 + for sb. + to do sth. 做某事對某人來說是…的。
It』s important to do sth. 做某事很重要。
It』s important for me to eat a balanced diet. 平衡飲食對我來說是很重要的.
It』s easy to do sth. 做某事是容易的。
It』s easy for us to find out the answer. 找出答案對我們來說是容易的。
2. 情態動詞should的用法
should是情態動詞，它的基本用法是必須和其他動詞一起構成謂語。意為"應該......"。
should(應當，應該)用於所有人稱，表示勸告或建議。
eg. ---I have a very bad cold. 我感冒很厲害。
---You should lie down and have a rest. 你應該躺下，多喝水。
3. maybe與may be
(1)maybe是副詞，譯為「也許、可能」，相當於「perhaps」。如：Maybe he can answer the question. 也許他能回答那個問題。
He maybe is from the USA, too. 他可能也來自美國。
(2)may be中的may為情態動詞，譯為「可能是......」。如：
He may be from the USA, too. 他可能也來自美國。
She may be our English teacher. 她可能是我們的英語老師。
4. few、a few、little、a little的區別和聯系：
(1)few / a few用來修飾可數名詞，few表示否定意義，沒有，幾乎沒有;a few表示肯定意義， 有幾個。例如：
He has few friends here, he feels lonely. 他這里沒朋友，他感覺寂寞。
There are a few eggs in the basket. 籃子里有幾個雞蛋。
(2)little / a little用來修飾不可數名詞，little表示否定意義，沒有，幾乎沒有; a little 表示肯定意義，有一點兒。例如：
There is little ink in my bottle. Can you give me a little ink? 我的瓶子里沒有墨水了，你能給我點兒墨水嗎?
5. not…until 直到…(否定句) 才......，動詞為短暫性或瞬間性動詞。
She didn』t leave until we came.
He went shopping after he got up.
=He didn』t go shopping until /before he got up.
...until/till 直到......(肯定句)動詞為延續性動詞
We stayed here till/until 12 o』clock.
人教版八年級上冊英語知識2
1. arrive at 到達(小地方)
arrive in到達(大地方)
reach 到達
get to 到達
I arrived in Beijing last night. = I reached Beijing last night .
= I got to Beijing last night .
如果賓語是副詞here, there, home, 要把at/in/to省略。
arrive here/there/home
get here/there/home
2. in front of… 在 … 的前面 (某一范圍外的前面)
in the front of … 在 … 的前面(某一范圍內的前面)
There are some big trees in front of the classroom building. 在教室的前面有一些大樹。
I like sitting in the front of the taxi. 我喜歡坐在計程車的前排位置。
3. take off
(1)起飛
When did the plane take off yesterday? 飛機什麼時候起飛?
(2)脫下(衣帽等)
He took off his coat as soon as he went into the room. 他一進房間就脫掉了外套。
(3)取消
They will take off the 5 am train . 他們取消了早上5點的火車。
4. get out (of ) … 從……離開/出去/下來
A car stopped and a girl got out of it.
但從汽車/火車/船/飛機/馬匹上下來, 用get off…
5. follow
(1)跟隨 I followed him up he hill. 我跟著他上了山.
(2)沿著……前進 Follow this road until you get to the post office. 順著這條路一直到郵局.
(3)聽懂，理解 Could you speak more slowly? I can』t follow you. 你能說慢點嗎?我聽不懂。
(4)follow sb. to do sth. 跟著某人做某事
Please follow me to read the story. 請跟我讀這個 故事 。
6. shout at 大聲喊叫，多指因生氣而非善意的大聲叫喊
Don』t shout at the little boy. He is too young. 不要對他大叫，他還太小。
shout to 大聲喊叫，多指因距離遠而不得不大聲叫喊
We should shout to him , or he can』t hear us. 我們應該朝他叫喊，否則他聽不到我們的聲音。
7. happen 發生，具體事件偶然的沒有預見的發生
(1)happen to do sth. 碰巧做某事
I happened to meet one of my old friends in the park yesterday .昨天我在公園碰巧遇見我的一個老朋友。
(2)sth happens to sb. 某人發生了某事
An car accident happened to him last month. 上個月他發生了交通事故.
take place 發生
(1)按計劃進行或按計劃發生
Great changes have taken place in China in recent years. 最近幾年中國發生了巨大的變化.
(2)(運動/ 活動/會議等) 舉行
The meeting will take place next Friday. 運動會將於下星期五舉行。
take the place of 代替, 取代
Plastics can sometimes take the place of wood and metal . 塑料有時能代替木材和金屬.
take one』s place 坐某人的位置, 代替某人的職務
Come to take my place. my seat is near the window . 來做我的位置，我的座位靠近窗戶。
8. anywhere 任何地方，常用於否定句或疑問句中.
Did you go anywhere last night? 你昨天還去了別的地方了嗎?
somewhere 某個地方，用於肯定句。
come and see me. Then we』ll go out somewhere. 來我家找我，然後我們出去逛逛。
everywhere 處處, 到處 = here and there
I can』t find my pen though I looked for it everywhere. 盡管我到處都找過了，還是找不到我的鋼筆。
11. silence 名詞, 寂靜/無聲
There』s nothing but silence in the room. 屋內寂靜無聲。
Keep in silence. 保持沉默.
silent 形容詞, 沉默的, 寂靜的
The old house was quite silent. 這所老房子寂靜無聲。
The cat moved on silent feet. 那隻貓無聲地走動著。
12. hear 聽到
Can you hear someone knocking at the door? 你聽到有人敲門了嗎?
(1)hear of 聽說 , 後接表示人或物的詞
I have never heard of him before. 我以前從來沒有聽說過他。
( 2 ) hear about 聽說, 後接表示事件的名詞
I』ve just heard about his illness. 我剛剛聽說他生病的事。
Have you heard about the accident ? 你聽說了那場事故嗎?
(3)hear from 收到某人的來信
I heard from my daughter in New York yesterday. 我昨天收到在紐約的女兒的來信。
13. 主語 + be + one of the + 形容詞最高級 + 復數名詞 + in / of 短語 。
…… 是……中最……的……之一.
This was one of the most important events in modern American history. 這是美國歷史上最重要的事件之一。
Xiamen is one of the most beautiful cities in China. 廈門是中國最漂亮的城市之一。
13. experience
(1)名詞 經驗 , 不可數名詞 ; 經歷, 體驗, 可數名詞
Have you had any experience of fishing? 你有釣魚的經驗嗎?
Could you tell us about your experiences in Africa? 你能給我們談談你在非洲的經歷嗎?
(2)動詞 經歷, 感覺
The children experienced many difficulties this time. 這次孩子們經歷了許多困難.
experienced 形容詞 有經驗的
be experienced in/at doing sth. = have much experience in/at doing sth. 做某事很有經驗.
She is an experienced teacher. 他是一個經驗豐富的教師。
He is very experienced in/at repairing cars. 他修車很有經驗。
14. as … as … 和…… 一樣… 兩個as之間用形容詞或副詞的原形。
He works as carefully as she. 他和她一樣工作認真。
She is as tall as her mother. 她和母親一樣高。
not as… as… 不如某人/某物…
He isn』t as / so old as he looks . 他不像看起來那麼老。
She doesn』t run as / so fast as her brother. 她不如她哥哥跑得那麼快。
15. have fun = have a good/great/wonderful time = enjoy oneself 玩得開心，過得愉快
Did you have fun at the party? 昨天在派對上玩的開心嗎?
= Did you have a good/great/wonderful time ?
= Did you enjoy yourself ?
have fun doing sth. 開心做某事
I』m just having fun playing the guitar . 我正開心的彈吉他呢。
16. accident 事故, 意外遭遇
He was killed in an accident. 他死於一起意外事故.
traffic accident 交通事故
Many people die in traffic accidents every year. 每年有很多人死於交通事故。
by accident 偶然, 意外地
We met at the airport by accident . 我們偶然在機場遇見。
18. think about 考慮 (某個計劃 )
They are thinking about moving to Beijing. 他們考慮搬去北京。
think of 認為 What do you think of the movie?= how do you like the movie? 你認為這部電影怎麼樣?
think over 仔細思考
We need a few days to think over this matter. 我們需要幾天時間來考慮這個事情。
19. 感嘆句
what 引導的感嘆句
(1)What a beautiful girl (she is )! 多麼美的姑娘呀 !
(2)What a clever boy ( he is )! 多麼聰明的男孩呀 !
(3)What interesting pictures ( they are )! 多麼美的圖片呀 !
(4)What tall buildings ( they are )! 多麼高的樓呀 !
(5)What delicious food ( it is ) ! 多麼可口的食物呀 !
(6)What bad weather ( it is ) ! 多麼壞的天氣呀 !
規律：what + ( a/an ) + 形容詞 + 名詞 ( + 主語 + 謂語) + !
名詞為不可數名詞或復數名詞時, 形容詞前面不能有a/an。
how 引導的感嘆句
(7)How heavy the box is! 多麼重的箱子呀!
How fast he runs! 他跑得多快呀!
(8)How careful the girl is! 多麼細心的姑娘呀!
How well she plays the piano! 她的鋼琴彈得多好呀!
20. 過去進行時
過去進行時的用法
(1)過去某一時刻正在進行的動作。
What were you doing at 8:30 this morning? 今天早上8點半你正在做什麼?
When I called him, he was having dinner. 當我打電話給他時，他正在吃飯。
(2)過去某段時間正在進行的動作。
What were you doing from seven to nine yesterday? 你昨天7點到9點在做什麼?
I was reading the whole morning yesterday. 我昨天一整個早上都在看書。
過去進行時的構成
(1)肯定句：主語 + was / were +動詞ing形式 + 時間狀語。
(2)否定句：主語 + was / were + not + 動詞ing形式 + 時間狀語。
(3)疑問句：was / were + 主語 + 動詞ing形式 + 時間狀語 ?
肯定回答：Yes , 主語 + was / were .
否定回答：No, 主語 + was / were + not .
人教版八年級上冊英語知識3
1. get
( 1 ) 買
get sth. for sb. = get sb. sth. 為某人買某物
Can you get some fruit for me when you go shopping ?
= Can you get me some fruit when you go shopping ?
( 2 ) 得到，到達
Where did you get the book?
When did you get the letter?
He got home late last night.
(3)使，讓，get + 賓語 + 賓補 使某人/某物怎麼樣
Please get you coat clean.
Get your mouth closed.
get sb. to do sth. 使某人做某事
I got him to call Jim yesterday.
(4)( 逐漸) 變得…...
The weather gets warmer and days get longer .
Why did the teacher get angry ?
2. how about/ what about 後跟名詞/代詞/動詞ing形式。
(1)向對方提出建議或請求
How about going out for a walk?
How about something to eat?
(2)向對方徵求意見或看法
How about the TV play ?
How about buying the house now ?
( 3 ) 詢問天氣或身體情況
How about the weather in Hainan Island ?
How about your parents? Are they living with you ?
( 4 ) 談話中承接上下文
I』m forty years old. How about you?
I』m from Beijing. How about you?
3. receive 收到
The girl was happy to receive many gifts on her birthday .
receive a letter from = get a letter from = heard from收到某人的信
I received a letter from my parents last Sunday .
= I got a letter from my parents last Sunday .
= I heard from my parents last Sunday .
accept 接受
He couldn』t accept our suggestions but our gifts.
She was very glad to receive the invitation.
I received an invitation to the party , but I refused to accept it .
4. a 6-year-old child 一個六歲的孩子
6-year-old 是由「數詞 +名詞 + 形容詞 」 構成的復合形容詞，作前置定語，修飾後面的名詞child。
「數詞+名詞+形容詞」構成的復合形容詞，中間的名詞要用單數形式：
a five-year-old girl 一個五歲的女孩
a two-meter-long ruler 一把兩米長的尺子
a ten-story-high building 一棟十層高的樓房
a two-inch-thick dictionary 一本兩英寸厚的詞典
5. too...to… 太……而不能 ……
too 後跟形容詞或副詞原形, to 後跟動詞原形, 構成不定式， 句子 的主語與動詞不定的主語不一時, 可以在動詞不定式前加邏輯主語for sb。
He is too young to join the army ( 軍隊) . 他年紀太小，不能去參軍。
The math problem is too difficult for me to work out . 這道數學題對我來說太難了，做不出。
too...to…可以與enough to和so…that…轉換.
She is too young to do the work .
= She isn』t old enough to do the work .
Tom is too tired to walk any farther .
= Tom is so tired that he can』t walk any farther .
6. pay , spend , cost , take 的區別
(1)pay 花費 ( 多少錢 ) , 主語是人。sb. pay some money for sth.
I paid 5000 yuan for the computer last week . 我上個星期花了5000買電腦。
(2)spend 花費 ( 多少錢或時間 )，主語是人。
sb. spend some money on sth.
sb. spend some time ( in ) doing sth.
I spent 5000 yuan on the computer last week .
She spent 2 hours ( in ) doing her homework . 她花了2個小時做作業。
(3)cost 花費 ( 多少錢 ) , 主語是物。
sth. cost sb. some money.
This jacket cost him 200 dollars. 這件夾克衫花費她200美元。
(4)take 花費 (時間 )，主語形式主語為It.
It takes sb. some time to do sth.
花費某人多少時間做某事
How long does it take sb. to do sth? 花費某人多少時間做某事?
It took Liu Hong 2 hours to do her homework. 劉紅花了2個小時做作業。
7. sleep , sleeping, sleepy , asleep , fall asleep , be asleep
(1)sleep 動詞, 睡覺, 強調動作。
I am very tired. I want to sleep. 我很累，想睡覺。
(2)sleeping, sleep 的現在分詞, 表示「 正在睡覺」。
Don』t make so much noise. The baby is sleeping. 不要這么吵，寶寶在睡覺。
(3)sleepy 想睡覺的, 睏倦的。
I am a little sleepy. I』d like to go to bed. 我有點困了，我想去床上睡覺了。
(4)asleep 睡著了的。
The teacher found Tom asleep in class and kept him behind after school. 老師發現湯姆上課睡覺，放學後就把他留了下來。
(5)fall asleep 強調從沒有睡著到睡著的過程, 不能接一段時間。
I couldn』t fall asleep until it was very late last night . 我昨天晚上到很晚才睡著。
(6)be asleep 表示睡著後的狀態 , 「 睡著了」, 可以接一段時間。
He was asleep for three hours. 他睡了3個小時。
8. open
( 1 ) 動詞, 打開 , 開業, 開張, 展現
Would you mind opening the window ? 你介意我把窗戶打開嗎?
( 2 ) 形容詞, be open 開著的, 開放的
On weekends the swimming pool is open to the public. 在周末，這個 游泳 池是對公眾開放的。
9. close 動詞, 關閉, 關上 , 合上
closed 形容詞, be closed 關著的, 關閉的
10. encourage 動詞, 鼓勵, 激勵
encourage sb. to do sth. 鼓勵某人做某事
Parents should encourage children to do things by themselves.
家長們應該要鼓勵孩子們自己動手做事情。
11. progress 名詞, 「 進步, 進展」
make progress 「取得進步, 取得進展」
Tom is now making great progress at school. 湯姆現在在學校的進步很大。
12. take an interest in ( doing ) sth. 對 ( 做 )某事感興趣
否定表達是 take no interest in ( doing ) sth. 對 ( 做 )某事不感興趣
Do you take an interest in English ? 你對英語感興趣嗎?
Most children take an interest in playing computer games. 大多數孩子對電腦游戲很感興趣。
13. make friends with sb. 和某人交朋友
Would you like to make friends with us? 你想和我們交朋友嗎?
人教版八年級上冊英語知識4
1. 關於 to 的短語 總結
have to do sth. 不得不/必須做某事
need to do sth. 需要做某事
hate to do sth. 討厭做某事
like to do sth. 喜歡做某事
want to do sth. 想做某事
love to do sth. 熱愛做某事
forget to do sth. 忘記做某事
start to do sth. 開始做某事
begin to do sth. 開始做某事
ask sb to do sth. 請某人做某事
2. ---Could you please clean your room?
---Yes, sure. / Sorry, I can't. I have to do my homework first.
---Could I please use the car?
---Sure. / Certainly. / Of course. / No, you can't. I have to go out.
在表示請求幫助或請求允許的疑問句中，常用 could 代替 can，以表示禮貌，委婉或不確定的語氣，而 can 則不具備這些語氣。這種情況下不能把 could 看作 can 的過去式。以上兩句中用 could 是為了表示禮貌的請求。表示請求幫助或請求允許時，除了 can, could 之外，還可以用 may，句子的表達方式也各有不同，可以用不同的方式來表示同一個概念。例：
Could / Can / May I use your car for a day?
作允答可以各種各樣：
如同意可以說 Yes，或 Sure 或 Certainly，還可說 Yes, (do) please.或 Of course. (you may / can). 或 That's OK / all right.
如果不同意，可以說 I'm sorry you can't. 或 I'm really sorry, but I have to use it today. 要避免說 No, you can't. 這樣顯得很不禮貌。否定回答通常用委婉語氣。
人教版八年級上冊英語知識5
1. 短語動詞小結
常見動詞短語結構有下面幾種：
(1)動詞+副詞 如：give up 放棄;turn off 關掉;stay up 熬夜
這種結構有時相當於及物動詞，如果其賓語是代詞，就必須放在動
詞和副詞之間，如果是名詞，則既可插在動詞和副詞之間，也可放
在短語動詞後。
(2)動詞+介詞 如：listen of 聽;look at 看;belong to 屬於
這種結構相當於及物動詞，後面跟賓語。
(3)動詞+副詞+介詞 如：come up with 提出，想出; run out of 用完，耗盡
(4)動詞+名詞+介詞 如：take part in參加;catch hold of 抓住
2. each 每個，各自的，強調事物的個別情況，常與of 連用
every 每個，每一個的，一切的，有「全體」的意思不能與of 連用
3. help sb. (to) do 幫助某人做某事 help him (to) study
help sb. with sth. 幫助某人做某事 help him with English
help do 幫助做某事 help study
4. spend...doing... 花費…做…
I spent a day visiting Beijing. 我花了一天的時間去參觀北京。
spend… on sth. 花費…在… I spent 3 years on English.
5. join 參加 (指參加團體、組織) 如：join the Party 入黨
take part in 參加 (指參加活動) 如：take part in sports meeting 參加運動會
6. run out 與 run out of
(1)run out (become used up). 其主語往往為物。如時間，食物，金錢，油等，本身就含有被動意義。
His money soon ran out. 他的錢很快就花光了。
Our time is running out. 我們剩下的時間不多了。
(2)run out of 主語為人，表示主動含義。
He is always running out of money before pay day. 他總是在發工資的日子還沒有到就把錢花完了。
兩者在一定條件下可以互換
如：The petrol is running out. 汽油快用完了= We are running out of petrol.
Our time is running out. 我們剩下的時間不多了。= We are running out of time.
7. work out
(1)結局，結果為
The strategies that he came up with worked out fine. 他提出的這個策略效果很好。
(2)算出，制訂出，消耗完(精力等)
He never seems to be worked out. 他好像永遠不會疲乏似的。
He worked out a plan. 他制訂了一個計劃。
I have worked out our total expenses. 我已經算出了我們總的費用。
8. hang out 閑盪 閑逛
I like to hang out at mall with my friends. 我喜歡和我的朋友一起去購物中心閑盪。
9. be able to do 能，會
be unable to do 不能，不會
10. for sure 確實如此，毫無疑問
You don』t have money. That』s for sure. 你沒有錢，這是毫無疑問的。
11. fill… with… 使…充滿… 用…填充…
She filled the bowl with water. 她用水填滿碗。
12. hand out 分發 hand out bananas
give out 分發 give out sth to sb. 分….給某人
give up doing 放棄… give up smoking 放棄吸煙
give away 贈送 捐贈 give away money to kids
give sb. sth. 給某人某東西 give me money 給我錢
give sth. to sb. 給某人某東西 give money to me 給我線
13. help sb. out 幫助…做事，解決難題(擺脫困境)
I can』t work out this math problem. Please help me out. 我不能算出這道數學問題，請你幫我解決。
14. train n. 火車 v. 訓練
train sb. to do. 訓練某人做某事
She trains her dog to fetch things. 她訓練她的狗去取東西。
15. at once == right away 立刻 馬上 如：
Do it at once. 馬上去做。
I』ll go there at once/ right away. 我馬上去那裡。
16. one day 有一天 (指將來/過去)
some day 有一天(指將來) 如：
One day I went to Beijing. 有一天我去了北京。
Some day I』ll go to Beijing. 有一天我將去北京。
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② 八年級上冊英語動詞不定式用法
不定式根據其發生的時間不同以及所處的狀語的不同，可以有一般式、完成式、進行式、完成進行式，同時根據它與邏輯主語的關系的不同，可以有主動式和被動式。那麼接下來給大家分享一些關於 八年級 上冊英語動詞不定式用法，希望對大家有所幫助。
一、不定式一般式的用法
1. 表示未發生的動作
即表示發生在謂語動作之後的動作。如：
I expect him to arrive tomorrow. 我預計他明天到達。
I hope to catch an early train. 我希望趕上早班火車。
The doctor advised me to take a complete rest. 醫生建議我完全休息。
2. 表示同時發生的動作
即表示與謂語動作同時發生或略先於謂語動作的動作。如：
Who heard him say that? 是誰聽到他這樣說的?(say與heard幾乎同時發生)
I』m sorry to hear that. 聽到這事我很難過。(to hear 略先於am sorry)
3. 表示一般情況
即看不出動作的先後關系，而是表示一種情況或現象。如：
Washing the car seems to be your main hobby. 擦洗汽車似乎是你的主要 愛好 。
None of her many lovers seemed to want to marry her. 在她的許多情人中似乎沒有一個願意娶她的。
二、不定式進行式的用法
1. 表示同時進行
即表示與謂語動作同時發生且正在進行的動作。如：
He seems to be following us. 他似乎在跟著我們。
He pretended to be looking for a book. 他假裝在找書。
I happened to be looking out of the window when they arrived. 他們到達時我碰巧正向窗外望去。
2. 表示將來
正如可用進行時態表示將來意義一樣，不定式的進行式有時也可表示將來。如：
You are lucky to be going by air. 你挺幸運的，能乘飛機走。
He was happy to be coming home. 就要回家了他感到高興。
I happened to be going that way. 我恰好也是到那裡去。
I promised to be waiting at the door when he came out. 我答應在門口一直等到他出來。
3. 表示一般情況
即看不出動作的先後關系，而是表示一種情況或現象。如：
I noticed that he seemed to be smoking a lot. 我發現他似乎煙癮很大。
Just to be doing something was a help. 做點事是有益處的。
You are too young to be meeting young men. 你太小，不能交男朋友。
三、不定式完成式的用法
1. 表示比謂語動作更早的動作
即不定式所表示的動作發生在謂語動作之前。如：
I hate to have quarreled with her. 我後悔和她吵架了。
They are said to have left London. 據說他們已經離開倫敦。
I happened to have driven that kind of car before. 碰巧我過去曾開過那種汽車。
I』m sorry to have given you so much trouble. 對不起給了你這么多麻煩。
2. 表示比某特定時間更早的動作
即表示在某個特定的時間之前已完成的動作。如：
I hope to have finished the work by now. 我希望現在以前已完成這項工作。
By 2020, he hopes to have opened a branch overseas. 到2020年，他希望能在海外開一分店。
3. 表示假想的更早的動作
尤其是表示過去本來打算要做某事，但實際上沒有做成的動作。如：
We were to have been married last year. 我們本來打算去年結婚的。
I wanted to have come to see you, but I was really too busy. 我本想來看你的，但我的確太忙了。
不定式的完成式有時還有明顯的感情色彩，如表示遺憾、後悔或責備。如：
There is no need to have bought a new pair of shoes for me. 沒有必要給我買一雙新鞋。
四、不定式完成進行式的用法
不定式完成進行式主要表示在謂語動作之前一直在進行的動作。如：
He pretended to have been studying. 他假裝一直在學習的樣子。
He appears to have been waiting a long time. 看來他已經等了很久了。
He seems to have been spying for both sides 他似乎一直在為兩方面搞秘密情報。
He is believed to have been waiting for a message. 據信他當時一直在等待消息。
He looked too young to have been publishing for five years. 他看上去很年輕，不像是已經幹了5年出版的人。
I』d like to have been sitting there when she walked in. 我真希望當她走進來的時候我正坐在那裡。
五、不定式被動式的用法
1. 基本用法
不定式到底用主動形式還是被動形式，往往取決於 句子 的意思，即意思上為主動就用主動形式，意思上為被動就用被動形式。如：
Not a sound was to be heard. 聽不到一點聲音。
I had to shout to be heard. 我必須叫喊對方才能聽得見。
There remains one matter still to be discussed. 有一個問題尚待討論。
It remains to be seen whether it will do us harm or good. 它對我們是利是害，還得看看再說。
2. 主動表被動
一般說來，表示主動意義，不定式用主動式;表示被動意義，不定式用被動式。但是，有個別時候，雖然意義上是被動的，但不定式卻要用主動式。如：
The house is to let. 此屋出租。
The box was too heavy to lift. 箱子太重，拿不起來。
The question is difficult to answer. 這問題很難回答。
英語動詞不定式的用法 總結 ：
動名詞與不定式
1) 動名詞與不定式的區別：
動名詞表達的是： 狀態，性質，心境，抽象，經常性，已發生的
不定式表達的是： 目的，結果，原因，具體，一次性，將發生的
2) 接不定式或動名詞，意義相同。
3) 動名詞與不定式語義不同的有11 組：
1stop to dostop doing
2 forget to do forget doing
3remember to doremember doing
4 regret to do regret doing
5cease to do cease doing
6 try to dotry doing
7go on to do go on doing
8 afraid to do afraid doing
9interested to dointerested doing
10 mean to do mean doing
11 begin/ start to do begin/ start doing
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