内容正文:
第15练 it的特殊用法
常见句型有:
1. It + be + 形容词+主语从句,
如:It is uncertain whether he can come to Jenny’s birthday party or not.
2. It + be + 名词词组 + 主语从句,这类名词有:a fact, a pity, a shame, an honor,a question
等,
如:It’s a pity that you missed the exciting football match.
3. It + be + 过去分词+ 主语从句,这类过去分词有:announced, believed, expected, hoped, decided, reported, said, shown等,
如:It is reported that 16 people were killed in the earthquake.
4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有:appear, happen, seem等,
如:It seemed that he didn’t tell the truth.
5. It + be + 形容词+ for sb.)+ 动词不定式 这类句型常用形容词easy, difficult, hard, important, possible,wise等作表语,有时候为了强调不定式动作的执行者,常在不定式前加for sb,如:
It’s necessary for the young to master two foreign language.
这类形容词有:easy, difficult, hard, important, possible,wise
6. It + be + 形容词 + of sb. + 动词不定式,这类形容词常是表示心理品质,性格特征的形容词,如:kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
某人和这些形容词可以构成主系表结构。如:
It’s very kind of you to help me with the work. =You are kind to help me.
7. It + be +名词词组 + 动词不定式,如:
It is not a good habit to stay up too late.
8. It + be + 名词或形容词+ 动名词,这类名词和形容词常常是:
good, no good, no use, a waste of, useless, senseless等,如:
It’s a waste of time talking to her any more.
9. It + take ( sb. )+ 时间(金钱)+ 动词不定式,如:
It took the workers almost three years to finish building the dam.
一、单项选择
1.— I think you are the most suitable man to be the chairperson.
— _________.
A.Sure. I think so too B.Don’t say so C.Oh, really? I can’t believe D.It’s so nice of you. Thanks
2.—How interesting it is ________ the kite in the street!
—It’s dangerous ________ you to fly the kite in the street. Stop doing that!
A.to fly; for B.flying; of C.to fly; of D.flying; for
3.It’s wrong ________ you ________ your parents’ advice.
A.for;don’t accept B.of;not to accept C.for;not accept D.of;not accepting
4.I found ________ interesting ________ the animals.
A.that; to feed B.it; to feed C.this; feed D.it; feed
5.Nowadays, it’s convenient and cheap for us