I know what to do. (I do what.)
3.不定式作表语形容词的关语,和句中主语构成逻辑上的动宾关系时,不定式多用主动形式,这是因为人们往往认为形容词后省去了for sb. 。如:
This book is difficult to understand.
This kind of fish is nice to eat.
4.在there be 结构中,当说话人考虑的是必须有人去完成某件事时,不定式用主动形式;如果说话人强调的事情本身必须被完成,则用被动形式。如:
There is a lot of work to do. (Someone has to do the work. )
There is a lot of work to be done. (The work has to be done. )
请注意下面两个句子的含义的不同点:
There is nothing to do. (无事可做,感到十分乏味。)
There is nothing to be done. (某东西坏了,无法使之恢复正常。)
三、不定式符号to 的保留问题
有时为了避免重复,可以用to 来代替前面的不定式,这种情况出现在下列动词之后:expect, hope, wish, mean, prefer, care, forget, want, try;或出现在be glad / happy, would like / love 等的后面。
如果在省略的不定式结构中含有:be, have, have been,这些词要保留。如:
I haven’t been to Hong Kong, but I wish to.
【高中英语语法必备:非谓语动词的用法小结】相关文章:
★ 初中语法必备:how much和how many的用法区别
★ 四大连词的用法
★ 语法必备:too many与too much的用法与区别
最新
2016-11-24
2016-11-24
2016-11-09
2016-11-04
2016-11-04
2016-11-02