内容正文:
年级上册·JJ
英 语
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Unit 6 Go with Transportation!
语法专题
动词不定式
动词不定式是动词的三种非谓语形式之一,其构成为“to+动词原形”,在
句子中有时to可以省略。动词不定式可充当多种句子成分。
1. 作主语
动词不定式作主语时,为了保持句子平衡,通常用it作形式主语,而将真正
的主语(动词不定式)放在谓语或表语之后。
To learn a foreign language is important.=It is important to learn a foreign
language.学习一门外语很重要。
2. 作宾语
动词不定式一般不作介词的宾语,而作及物动词的宾语。常接动词不定式作
宾语的动词(词组)有want、hope、decide、agree、need、would like等。
What do you want to buy?你想买什么?
3. 作表语
动词不定式作表语时,位于连系动词之后。
Your duty is to water the flowers every day.你的职责是每天浇花。
4. 作定语
动词不定式作定语时,通常位于被修饰的名词或代词之后。
I have a lot of work to do.我有很多工作要做。
5. 作状语
动词不定式作状语,可表示目的、原因、结果等。
They will come to help you.他们会来帮助你(们)。
6. 作宾补
接带to的动词不定式作宾补的动词(词组)有ask、tell、want、would like
等。接省略to的动词不定式作宾补的动词(词组)有hear、listen to、feel、see、
watch、look at等。另外,help后的动词不定式带to和不带to均可。
I often help my mother (to) do the housework.我经常帮妈妈做家务。
【拓展】动词不定式的否定形式是在to之前直接加not。
Try not to be late.尽量不要迟到。
短文填空
阅读下面短文,在空白处填入一个适当的单词(有提示词的,填入所给单词的正
确形式)。
Cars are very popular 1. America.When the kids are fourteen years old,
they dream of having their own cars.2. (buy) a car,many students
work after school.In most places young people learn 3. (drive) in high
school.They have to take a driving test to get a license.4.
(learn) to drive and get a driver’s license is one of the most exciting things in their
lives.For many people,that piece of paper is an important symbol(象征) that they
are now grown-ups.
in
To buy
to drive
To learn/Learning
Americans seem 5. (love) their cars almost more than anything
else.They will take their cars to a “hospital” at the smallest sign of a problem.At
weekends,people spend most of the time washing and waxing(给……打蜡) their
cars.For some families it is not enough 6. (have) one car.They often
have two or even three.Husbands need a car 7. (go) to work.Housewives
need a car to go shopping or to take the children to school or other places.
to love
to have
to go
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