八年级英语不定式复习
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做主语不定式做主语时常用代词it来代替不定式结构这时it被称为形式主语而作为句子真正主语的不定式则被后置
不定式的构成:
to+动词原形 ，其否定形式是
“not/never to do”/not do. 不定式可以带宾语或状语构成不定式短语，没有人称和数的变
化。
一.不定式的句法功能
1.It’s very common to raise money in Canadian and American school.
8. 只能跟ving 的动词： finish, enjoy, mind, keep(on), practise, feel like(want), be busy doing . give up, look forward to doing, can’t help doing,
1. I can’t help _____ (cry) . 2. He didn’t finish ____ (do) homework. 3. Would you mind ____ (close) the window. 4. Every day Mary practise ______ (speak) English. 5. Kangkang is busy _____ (watch) TV now. 6. I look forward to ___ (hear) from you. 7. They keep ____ (play) basketball. 8. My sister feels like ______ (eat) ice cream.
6. 作定语(后置） to say 1.Do you have anything more_______
﹙要说﹚? 2.She has a lot of work _______ to do ﹙做﹚ every day . to live in 3. The old man has a house _________ ﹙住﹚. to work with 4. She is a nice person__________ ﹙ 共事﹚ .
1.My job is _________computers.
A.to selling
C. to sell
B. sell
D. sold
2. Her hobby is ______ (play) football.
3.I want to make a hotel reservation.
(做宾语)
They decided to try again. The little boy wanted to get to school before 8 o’clock.
1.My friends want ________(book) some tickets to the movie for us.
不定式的逻辑主语有时用“of/for+名词 或代词宾格”构成。
It’s + adj for/of sb to do sth.
of/for?
for me to work It’s difficult_____ out the maths problem.
easy hard difficult interesting exciting boring …….
其否定形式为：
V +sb /sth not /never +to do She told me not to give the book to him. I asked Paul to carry the box.
1.Don’t ask Jim ___(go) swimming with us, because his mother won’t allow him ____(do) so. 2. Does you mother like you ____a doctor? A. being B. to be C. are D. become 3. My teacher always tells me ____ (study) hard. 4. I don’t want you ____ (help) me. 5. She’d like me ____ (join) them.
3.Please let the students___ down. A. sitting B. sat C. sit D. to sit 4.—Is Wei Fang good at singing? --- Yes, she is. We often hear her _____ in her room. A.to sing B. sing C. sings D.singing 5.A strange noise made me___(stop) my work.
1. When they went into the park, they saw someone _____ Chinese Kongfu . A.plays B. played C. to play D. playing 2.Mr. Brown made his students _____ the new words again. A.copying B. copy C. to copy D. copied
(做主语)
不定式做主语时,常用代词it 来代替不定式结构, 这时 it 被称为形式主语,而作为句子真正主语的不 定式则被后置.往往放v.和adj.之后.
e.g. To learn English well is not easy. = It’s not easy to learn English well.
2. ____ (become) a teacher is my dream.
3. It’s very important to learn English well.(同义句转换) _____ _____ English well ______ very important. 4.It’s important _____Chinese well.
.
nice, kind, good, silly, clever, wrong, honesy… of It’s kind ______you to help me
You are kind to help me.
1. It’s very nice of them __________(send) me the flowers.
5.Why don’t we have a show to raise money?
状语在句子中修饰动词,形容词, 副词或整个句子.说明动作或状态 (做目的状语) 的特征. 不定式作状语一般表示目的，原因或结果． We are sorry to hear that. Let’s stop to have a rest.
5. 但使役动词（let .make .have)和感官动词 (see .watch.look at .hear. feel)的宾补常 省to
句式如下：
V. +sb/sth +do
其否定形式为： V +sb /sth +not
/never do His mother let him not watch TV。 He often makes his sister wash his clothes.
1.Joe is teaching Alice______the chair. A. how mend B. how mending C. how to mending D. how to mend
2. I don’t know what____ (do) next.
3. Could you tell me when ____ (have) dinner?
6. I wish you ____ (have) a good time. My best friends teach me ____ (swim). 8. Her boyfriend often invites her ____ (have) dinner. 9. My mother always gets my father ____ (do) housework. 10. I order you ____ (wash) your hands.
9. 既可以跟动词不定式 又可以跟Ving 的几组动词 而意思无太大区别的： like to do like doing prefer. hate begin start …….
2. My parents decide _____ (give) me more money. 3. He plans _____ (go) to Beijing for a holiday. 4. The boy hopes ______ (pass) the English exam.
5. My little son is able _____ (read) some words. 6. I’ll try my best _____ (help) you. 7. She would like _____ (become) beautiful.
宾语表示主语所做动作的承受者.一般跟在及物 动词后面.
接动词不定式作宾语常见的几个动词是want , plan , hope , decide , begin , start. need , wait ,would like .hate.refuse.wish . prefer , learn.try.like .agree ,fail. be able to do,do one’s best to do 等.
例如： He is looking for a room to live in ． 他在找一个房间住。 There is nothing to worry about． 无什么可担心的。
Please give me a knife to cut with．
请给我把刀子来切东西。
7. 动词不定式可以和疑问词构成短语。 如： We don’t know how to use the machine. Can you show me how to swim. He didn’t tell me when to leave.
A.to learn B. learn
C. learning
D. learns
2. The best way to raise money is to sell newspapers. (做表语)
表语是用来表示主语的身份,状态和特征 等.可与系动词构成系表结构.
Her wish is to study in Ji Yan Middle school. My job is to clean the streets.
4.Kangkang helped us to book the train tickets. (做宾语补足语) 动词不定式作宾语补足语,常见的动词有 tell , ask , want , would like , wish , teach , help , order ,invite, get, allow, send, lead 等.常构成下面的句式： V + sb /sth + to do
(表原因) (表行为的目的)
The orange are too high to reach. She didn’t work hard enough to pass the exam. (表结果)
1. She sells flowers___make money.A.made B.make C.to make D.to be made 2.The room is not big enough ____. A.to live in B. to be lived in C.to live D. for living 3. I’m sorry ______ you . A.trouble B. trouble with C. to trouble D. trouble about 4. He is too young ___ (go) to school.
不定式的构成:
to+动词原形 ，其否定形式是
“not/never to do”/not do. 不定式可以带宾语或状语构成不定式短语，没有人称和数的变
化。
一.不定式的句法功能
1.It’s very common to raise money in Canadian and American school.
8. 只能跟ving 的动词： finish, enjoy, mind, keep(on), practise, feel like(want), be busy doing . give up, look forward to doing, can’t help doing,
1. I can’t help _____ (cry) . 2. He didn’t finish ____ (do) homework. 3. Would you mind ____ (close) the window. 4. Every day Mary practise ______ (speak) English. 5. Kangkang is busy _____ (watch) TV now. 6. I look forward to ___ (hear) from you. 7. They keep ____ (play) basketball. 8. My sister feels like ______ (eat) ice cream.
6. 作定语(后置） to say 1.Do you have anything more_______
﹙要说﹚? 2.She has a lot of work _______ to do ﹙做﹚ every day . to live in 3. The old man has a house _________ ﹙住﹚. to work with 4. She is a nice person__________ ﹙ 共事﹚ .
1.My job is _________computers.
A.to selling
C. to sell
B. sell
D. sold
2. Her hobby is ______ (play) football.
3.I want to make a hotel reservation.
(做宾语)
They decided to try again. The little boy wanted to get to school before 8 o’clock.
1.My friends want ________(book) some tickets to the movie for us.
不定式的逻辑主语有时用“of/for+名词 或代词宾格”构成。
It’s + adj for/of sb to do sth.
of/for?
for me to work It’s difficult_____ out the maths problem.
easy hard difficult interesting exciting boring …….
其否定形式为：
V +sb /sth not /never +to do She told me not to give the book to him. I asked Paul to carry the box.
1.Don’t ask Jim ___(go) swimming with us, because his mother won’t allow him ____(do) so. 2. Does you mother like you ____a doctor? A. being B. to be C. are D. become 3. My teacher always tells me ____ (study) hard. 4. I don’t want you ____ (help) me. 5. She’d like me ____ (join) them.
3.Please let the students___ down. A. sitting B. sat C. sit D. to sit 4.—Is Wei Fang good at singing? --- Yes, she is. We often hear her _____ in her room. A.to sing B. sing C. sings D.singing 5.A strange noise made me___(stop) my work.
1. When they went into the park, they saw someone _____ Chinese Kongfu . A.plays B. played C. to play D. playing 2.Mr. Brown made his students _____ the new words again. A.copying B. copy C. to copy D. copied
(做主语)
不定式做主语时,常用代词it 来代替不定式结构, 这时 it 被称为形式主语,而作为句子真正主语的不 定式则被后置.往往放v.和adj.之后.
e.g. To learn English well is not easy. = It’s not easy to learn English well.
2. ____ (become) a teacher is my dream.
3. It’s very important to learn English well.(同义句转换) _____ _____ English well ______ very important. 4.It’s important _____Chinese well.
.
nice, kind, good, silly, clever, wrong, honesy… of It’s kind ______you to help me
You are kind to help me.
1. It’s very nice of them __________(send) me the flowers.
5.Why don’t we have a show to raise money?
状语在句子中修饰动词,形容词, 副词或整个句子.说明动作或状态 (做目的状语) 的特征. 不定式作状语一般表示目的，原因或结果． We are sorry to hear that. Let’s stop to have a rest.
5. 但使役动词（let .make .have)和感官动词 (see .watch.look at .hear. feel)的宾补常 省to
句式如下：
V. +sb/sth +do
其否定形式为： V +sb /sth +not
/never do His mother let him not watch TV。 He often makes his sister wash his clothes.
1.Joe is teaching Alice______the chair. A. how mend B. how mending C. how to mending D. how to mend
2. I don’t know what____ (do) next.
3. Could you tell me when ____ (have) dinner?
6. I wish you ____ (have) a good time. My best friends teach me ____ (swim). 8. Her boyfriend often invites her ____ (have) dinner. 9. My mother always gets my father ____ (do) housework. 10. I order you ____ (wash) your hands.
9. 既可以跟动词不定式 又可以跟Ving 的几组动词 而意思无太大区别的： like to do like doing prefer. hate begin start …….
2. My parents decide _____ (give) me more money. 3. He plans _____ (go) to Beijing for a holiday. 4. The boy hopes ______ (pass) the English exam.
5. My little son is able _____ (read) some words. 6. I’ll try my best _____ (help) you. 7. She would like _____ (become) beautiful.
宾语表示主语所做动作的承受者.一般跟在及物 动词后面.
接动词不定式作宾语常见的几个动词是want , plan , hope , decide , begin , start. need , wait ,would like .hate.refuse.wish . prefer , learn.try.like .agree ,fail. be able to do,do one’s best to do 等.
例如： He is looking for a room to live in ． 他在找一个房间住。 There is nothing to worry about． 无什么可担心的。
Please give me a knife to cut with．
请给我把刀子来切东西。
7. 动词不定式可以和疑问词构成短语。 如： We don’t know how to use the machine. Can you show me how to swim. He didn’t tell me when to leave.
A.to learn B. learn
C. learning
D. learns
2. The best way to raise money is to sell newspapers. (做表语)
表语是用来表示主语的身份,状态和特征 等.可与系动词构成系表结构.
Her wish is to study in Ji Yan Middle school. My job is to clean the streets.
4.Kangkang helped us to book the train tickets. (做宾语补足语) 动词不定式作宾语补足语,常见的动词有 tell , ask , want , would like , wish , teach , help , order ,invite, get, allow, send, lead 等.常构成下面的句式： V + sb /sth + to do
(表原因) (表行为的目的)
The orange are too high to reach. She didn’t work hard enough to pass the exam. (表结果)
1. She sells flowers___make money.A.made B.make C.to make D.to be made 2.The room is not big enough ____. A.to live in B. to be lived in C.to live D. for living 3. I’m sorry ______ you . A.trouble B. trouble with C. to trouble D. trouble about 4. He is too young ___ (go) to school.