高二英語It句型大掃描
it句型大掃描
一、強調句型
1. 陳述句的強調句，強調陳述句中的某個成分。
為了強調句子中的有些成分，要用強調結構it is(was)+被強調部分+that(who)+其他部分。被強調的成分可以是主語、賓語、狀語，但不能是定語表語和謂語。這種類型的強調句主要注意一下幾個方面：
1）it在這一結構中作主句的主語，所以即使被強調部分是復數名詞，也要用is或was。
e.g. tom and mark often come to see me.
it is tom and mark who often come to see me. （強調主語）
2）如果被強調部分是時間、地點、方式或原因也不用when, where, how, why, 而用that；強調人時可用who，也可用that。
e.g.（1）they set out the day before yesterday.
it was the day before yesterday that they set out （強調時間狀語）
（2）we put off the sports meet because of the rain.
it was because of the rain that we put off the sports meet
（強調原因狀語）
（3）it was because she was ill that they didn’t ask her to do the job. （強調原因狀語從句）
3）被強調部分如果是原句的主語，who或that后面謂語的人稱和數應和原句的主語一致。
— personally, i think it is the salesmanager, rather than the
salesgirls, ____ to blame.
—i agree with you.
a. is b. that is c. are d. who are
2. 一般疑問句的強調句，只需把is(was)提前。
e.g. (1) was it in 1939 that the second world war broke out?
(2) is it professor wang who teaches you english?
(3) —was it two months ago _____ you luckily got an opportunity to spend your holiday in canada?
— _____. john was the lucky dog..
a. when; not i b. when; not only
c. that; not all d. that; not me
3.特殊疑問句的強調句，強調特殊疑問句中的疑問詞。
e.g. (1) where did you find the wallet?
where was it that you found the wallet
(2) when shall we meet?
when is it that we shall meet?
從上面的例子中我們可以看出，特殊疑問句的強調句是由“特殊疑問詞+was(is) it that +陳述句”構成的。但是當含有特殊疑問詞的強調句型用在賓語從句中的時候，上述句型應改為‘特殊疑問詞+it was( is) that +陳述句”，即采用陳述句語序。
e.g. (1) — where was it ____ the road accident happened yesterday?
— in front of the market.
a. when b. that c. which d. how
(2) i really don’t know _____ you returned the book to me.
a. when it was that b. when was it