内容正文:
[每周精选]
同学们,上两期我们复习了动词不定式的多种用法,那么动词不定式作状语
和作表语的用法你们熟悉吗?
1.动词不定式可作状语
(1)动词不定式可作目的状语,如:
()(catch)the first bus,he got up early.
()(prevent)this,humans on Mars will have to wear special boots to make
themselves heavier.
(2)动词不定式可作原因状语
表语形容词(sory/sad/happy/glad)后与动词不定式连用,可作原因状语,如:
He was glad ()(see)his wife
(3)动词不定式可作结果状语
在too.to,(not).enough to.句型中的动词不定式作结果状语,如:
The boy is too young
)(go)to school.
2.动词不定式作表语
常用形式:be+to do sth,动词不定式作表语可以和主语的位置互换,且常
表将来。如:
My job is ()(introduce)each star.
()(introduce)each star is my job.