内容正文:
非谓语动词
考点精讲1 动词不定式
动词不定式的基本形式为 “to +动词原形”,否定形式为“not to +动词原形”, to为不定式符号,动词不定式在句中不能作谓语,没有人称和数的变化。
1. 动词不定式作主语时,常用it作形式主语,位于句首,把动词不定式后置,构成“It + be + adj.(+ for sb.)+动词不定式”。
2. 常见的后接动词不定式作宾语的动词有hope、 wish、 agree、 want、 learn、 plan。
3. 动词不定式作宾语补足语
在使役动词(let、 have、 make等)及感官动词(see、 feel、 hear、 watch、 notice等)后用作宾语补足语的不定式应省略不定式符号to。不定式无论是作help的宾语还是宾补,动词不定式符号to可有可无。
4. “疑问词+动词不定式”结构
疑问词who、 what、 when、 where、 how、 which等后接动词不定式,在句中作主语、宾语、宾语补足语、表语等。
5. 不定式作定语
I have a lot of homework to do.
我有许多作业要做。
6. 不定式作状语
不定式通常用来作目的状语、结果状语和原因状语。
I will work hard to improve my skill.
我将努力工作来提升我的技能。
考点精练1
( D )1. (2023·天津)David learnt when he was five.
A. swim B. swims C. swam D. to swim
( A )2. (2023·云南)Today is Father’s Day, and I plan a dinner for my father.
A. to prepare B. preparing
C. prepared D. prepare
D
A
( C )3. (2022·重庆B卷)The new year is coming. Teachers encourage us new hobbies.
A. develop B. developing
C. to develop D. developed
( A )4. It often takes him some time summer holidays with his grandparents.
A. to spend B. spend
C. spent D. spending
C
A
( C )5. — Tom, why have you decided Chinese folk music as a course?
— Because I like Chinese culture.
A. take B. taken C. to take D. taking
( A )6. (2022·包头)Nancy didn’t know anyone in the new school, so she decided to join an after-school club some new friends.
A. to meet B. meet
C. met D. meets
C
A
( A )7. There are lots of interesting things in my hometown.
A. to do B. doing
C. do D. did
( B )8. (2023·牡丹江改编) down air pollution, we should walk or take the bus instead of driving.
A. Cut B. To cut
C. Cutting D. To be cut
A
B
考点精讲2 动名词
动名词既有动词的性质,也有名词的性质,可作主语、宾语、表语或定语。
1. 动名词作主语,谓语动词用第三人称单数形式。
2. 后接动名词的动词有finish、 avoid、 consider、 enjoy、 practice、 suggest、 imagine、 keep、 mind、 miss等。
3. 既可接动名词,又可接动词不定式作宾语的动词有remember、 forget、 regret、 try、 stop等。区别如下:
(1) remember/forget doing sth.意为“记住/忘记做过某事”; remember/forget to do sth.意为“记住/忘记要做某事”