3.Want ,deserve ,need ,require ,及worth等词后面的主动语态表被动意义。在这些动词后(worth除外),既可以接动名词又可接不定式,接动名词要求用主动语态表示被动意义,接不定式要用被动结构。
Eg: The children require looking after=The children require to be looked after这些孩子需要照顾.
4.当不定式与它修饰的词之间有动宾关系,并且与句子的主语在意思上有主谓关系时,虽然表示的意思为被动,但却用主动形式。
Eg: We have many problems to solve.我们有许多问题要解决。
5.当不定式作表语(或宾补)形容词的状语,又与句子中的主语(或宾语)有逻辑上的动宾关系时,虽然不定式有被动意义,但只能用主动形式。
Eg: Some books are interesting to read, but boring to learn有些书读起来很有趣,但学起来很厌烦。They found the subject hard to understand 他们发现这个题目很难理解。
来做做下面的改错题:
1.Economic uncertainty, of course, is precisely why commodity futures
A B C
marked is existed
D
2.As the main objective of going to school is presumably to prepare
A B
for after life, it should be very easy to organize lectures designing
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