2022高考英語備考 it的用法
XX高考英語備考（考點(diǎn)聚焦+名題導(dǎo)解） it的用法
一、考點(diǎn)聚焦
1、it的基本用法
（1）用作人稱代詞，代替前文提到過的事物。
the train has arrived. it arrived half an hour ago.
（2）用以代替提示代詞this, that。
—what’s this? —it’s a knife.
—whose watch is that? —it’s mine.
（3）起指示代詞的作用，指一個(gè)人或事物。
—who is knocking at the door? —it’s me.
（4）指環(huán)境情況等。
it was very noisy (quiet) at the very moment.
（5）指時(shí)間、季節(jié)等。
—what time is it? —it’s eight o’clock.
it often rains in summer here.
（6）指距離
it is a long way to the school.
（7）作形式主語。
it is not easy to finish the work in two days.
it is no use crying over spilt milk.
it is as pity that you didn’t read the book.
（8）作形式賓語。
i think it no use arguing with him.
i found it very interesting to study english.
he made it clear that he was not interested in that subject.
（9）用于強(qiáng)調(diào)結(jié)構(gòu)。
it was xiaoming whom(that)i met in the street last night.
it was in the street that i met xiaoming last night.
it ws last night that i met xiaoming in the street.
it was i who met xiaoming in the street last night.
2、含有“it is …”的句型
（1）it is time (for sb.) to do sth.
it is (high) time that sb. did sth.(虛擬語氣)
（2）it is + 形容詞（+of / for sb.）+ to do sth.
通常用 of的詞有brave、clever、careful、hopeless、kind、good、naughty、nice、silly、stupid、foolish、wise等。
（3）it is + 形容詞 + that + sb. + (should) do sth.（虛擬語氣）
能用于這個(gè)句型的形容詞有strange、wonderful、natural、good、proper、right、wrong、well、fortunate、important、necessary、useless、likely、probable、impossible等。有時(shí)可省去should而直接用動(dòng)詞原形。如：
it is important that we should pay close attention to grain.
it is natural that he（should）say so.
（4）it is no use/ good + doing sth.
it is no use trying again = it is of no use to try again.
（5）it is + 被強(qiáng)調(diào)部分 + that/who + …
was it in the street that you met her?
who was it that called him“comrade”?
it was not until yesterday that i met my old friend.
it is in a small factory that my brother is going to work.（注意上述各句均為強(qiáng)調(diào)句型的“考點(diǎn)”）
比較：it is a small factory where my brother is going to work.（定語從句）
（6）it is said/reported/announced/ (well) known … that…
（7）it is/was + 時(shí)間 + since … 從……已多久了。
it is three years since i met him in beijing.
it was a long time since i (had) lived in that small mountain village with these farmers.（注意兩句中的時(shí)態(tài)）