内容正文:
非谓语动词
非谓语动词的定义
非谓语动词的特征:
可以做主语、宾语等多种句子成分,但唯独不能做谓语
具有各种形态:原形、主动语态、被动语态、进行时态和完成时态。
具有动词的功能,如可以带宾语,但不具有语法上的动词性质,如没有人称和数的变化。
非谓语动词是指在句中不做谓语的动词。
非谓语动词的三种形式
非谓语动词
动词不定式
动词的-ing形式
动词的-ed形式
非谓语动词—动词不定式的功能
动词不定式作宾语
动词不定式作补语
动词不定式作状语(目的状语、结果状语)
动词不定式作定语
动词不定式作主语
动词不定式作表语
He managed (solve) the complicated problem.
The stranger offered (show)me the way to the park.
动词不定式作宾语
后带不定式的动词常见的有:
afford, agree, aim, appear, ask, claim, decide, demand, desire, determine, expect, fail, happen, hesitate, hope, intend, learn, manage, offer, pretend, promise, prepare, refuse, seek, swear, undertake, want, wish等
一、及物动词 + 不定式
to solve
to show
You can decide whether (continue) or (stop).
I will show you how to (deal) with it.
动词不定式作宾语
常见的疑问代(副)词有:
what , when , where , which , how , whether等
二、动词 + 疑问代/副词 + 不定式
to continue
to deal
to stop
I find difficult (finish) all the work before 9 o’clock.
She considers important (learn) English.
动词不定式作宾语
三、不定式用 it 代替,it 充当形式宾语,而不定式作为真正的宾语放到后面
to finish
it
to learn
it
She opened the window to get some fresh air.
My father got up early in order to have enough time to pack.
He left early so as not to miss the last train.
动词不定式作状语
一、作目的状语
to do 可以与 in order to / so as to 相互替换,均表示“为了”
We regret to tell you that we won't be permitted to attend the ceremony.
The couple was lucky to have found their lost child.
动词不定式作状语
二、作原因状语
通常作原因状语的不定式结构有:
表示情绪、心理状态的形容词( glad / sad / surprised / sorry / anxious)+ 不定式
表示运气好坏的形容词( lucky / fortunately / unfortunately)+ 不定式
表示行为表现的形容词( kind / thoughtful / careless / foolish)+ 不定式
Sarah got to the station only to be told that the train had left.
His work was so good as to make him well-known in the city.
He is too young to go to school.
It is cold enough to freeze our fingers.
动词不定式作状语
一、作结果状语
so...as to /such...as to /too...to /enough to
动词不定式作