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作业07 动词不定式
一、动词不定式基本形式:
【精讲】(not) to+动词原形(在某些情况下可以不带to)如:
I’m coming to see you.
Now the Chinese government has made laws to prevent all these things in Zhalong.
二、特点:
A .【精讲】没有人称和数的变化。如:
The man ran out to see what was wrong .
Let’s make a fire to warm ourselves up.
B .【精讲】可以有自己的宾语、状语和定语等。如:
在 to see what was wrong中,see的宾语是what was wrong;
在to prevent all these things in Zhalong.中,in Zhalong.作定语。
C .有时态和语态的变化(被动语态的形式为to be+动词过去分词)。如:
The windows needs cleaning.=The windows needs to be cleaned.
【精讲】动词不定式作目的状语用法:
我们可以用动词不定式表示某一动作或状态的目的,即动词不定式作目的状语。如:
I had to work hard to earn money. 我不得不努力工作赚钱。
He stayed at home to finish his homework.他留在家完成作业。
Mrs Wang went to Shanghai to see her daughter.(目的) 王太太去上海看她女儿。
为了使目的意义更加清楚或表示强调意义时,还可以在前面加in order to。如:
She is running quickly in order to catch the train. 为了赶火车,她正飞快地跑着。
由in order to引导的目的状语,既可以置于句尾,也可以置于句首。如:
They started early in order to get there in time.
= In order to get there in time, they started early.为了及时赶到那里,他们很早就出发了。
Some people want to make the wetlands smaller in order to have more space for farms and buildings.
=In order to have more space for farms and buildings, some people want to make the wetlands smaller.
动词不定式作宾语补足语
【精讲】1、常跟带to的动词不定式作宾语补足语的动词(动词+宾语+to do sth.)有:
warn, tell, allow, ask, order, get, invite, wish, want, encourage, advise, like, love, hate,beg …+ sb. to do sth.等。 如:
The teacher told me to clean the blackboard.
I want you to give me some help.
He asked me to wait for him yesterday.
Li Mei asked me to show her the new dictionary .
【精讲】2、常跟不带to的动词不定式作宾语补足语的动词(动词+宾语+do sth.)有:
●使役动词和感官动词: “ 四看,三让,两听,一感觉,半帮助”等。
【精讲】look at, see, watch, notice// let,make, have// hear, listen to//feel// help sb.(to)do sth.
如:1.)Let’s put on our sports shoes first.
2.)She thinks it makes her look fat.
3.)My father often watches the fish swim around in the tank.
4.)Can you hear him read English every night?
5.)She often helps me (to) do the housework.她