A. it在英語中的用法
「It」 用法及其句型和固定搭配，是英語語法的重點、難點，又是近幾年考試的熱點，因此在復習中應給予足夠的重視。現將it用法歸納如下：
一、It用作實詞
表達以下概念:指代前文提到的事物，前文中的this, that；替代前文中的內容；指代一位性別不明的小孩或未知的人；指代未指明但談話雙方都知道的那件事；指代時間、天氣、氣候、距離等自然現象。
二、It用作形式主語
替代作主語的從句、動詞不定式、動名詞，而把真正作主語的從句、動詞不定式、動名詞置於句尾。
It 作形式主語的常見句型：1. 代作主語的動詞不定式，其句型為（1）It be adj. (for sb.) to do sth.
（2）It be adj. of sb. to do sth.
（3）It替代作主語的動名詞的常見句型：
It』s no good/use doing…
It』s (well)worth doing…
It』s (well)worth one』s while doing/to do It』s (well)worth while doing/ to do
2. It替代作主語的從句常見句型
（1）It is + noun +從句
（2）.It is adj. +clause
It』s surprising that… (should)………竟然……
It』s a pity/shame that…(should)………竟然…
（3）It verb sb. + clause= It is v-ing + clause
It+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze/bother/concern/frighten/please/anger sb. that…
（4）It verb (to sb.) that…= sb/sth verb to do
(verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out)
（5）It is v-ed that…=sb/sth is to do
(verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know）
四、It 作形式賓語
用來替代作賓語的從句、動詞不定式、動名詞，而把真正作賓語的從句、動詞不定式、動名詞置於句尾。
It 作形式賓語的常見句型：
1. verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe, suppose, consider, feel, make, keep…)
五、強調句型
It is/was+被強調部分+ that(who)… 強調句型用來強調謂語動詞以外的任何句子成分。當被強調部分是人時也可以用who。
在使用強調句型時需注意以下幾點：
1. 請注意強調句型的特殊疑問句
2. 在強調原因狀語從句時，只能強調由because所引導的從句。
3. 在強調not … until結構時必須把not與until一起放到被強調的位置上。
4. 注意強調句型與定語從句的區別。
六、It 常用的固定搭配
1. make it
(1).在口語當中相當於succeed,表示：成功、做到、說定、趕上、及時到達 。
更詳細的請看：）~~
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B. it有什麼用法
it
it
[It; it]
代名詞
1 [第三人稱單數中性主格] 它,它
2 [第三人稱單數中性受格]
a. [直接受詞] 它,它
I saw ~.
我看到它
I gave it him.
我把它給了他
b. [間接受詞] 它,它
I gave it food.
我給它食物
c. [介系詞受詞]
I gave food to it.
我給它食物
3
Go and see who it is.
去看看是誰
It's me. (
口語)是我
It says, "Keep to the left.".
它 [標示] 寫著「靠左邊走」
It says in the Bible that.
?. 聖經上說…
It says in the papers that.
?. 報紙上說…
4 a.
It is impossible to master English in a month or two.
要在一兩個月內精通英文是不可能的
It will be difficult for him to come so early.
要他來得那麼早是有困難的
It's kind of you to give me a present.
你真好,送我禮物
It is no use trying.
試也白試
It isn't certain whether we shall succeed.
我們是否會成功還很難說
It is strange that he says so.
他這樣說真奇怪
It is said that the universe is infinite.
據說宇宙是無限的
b. [作形式上的受詞,以代表後述實際主詞的不定詞片語、動名詞片語、that 子句等]
I make it a point to get up early.
我強調要早起
They considered it impossible for us to attack ring the night.
他們認為我們不可能在夜間攻擊
You will find it very nice taking a walk early in the morning.
你會發現在清晨散步很好
I think it necessary that you (should) do it at once.
我認為你必須立刻做那件事
I take it (that) you wish to marry her.
我以為你想和她結婚
c.
It is a nuisance, this delay.
這樣拖延真受不了
5 [作非人稱動詞 (impersonal verb) 的主詞]
a. [天氣、氣候的冷暖]
It is raining.
正在下雨
It is getting hot.
天氣漸漸變熱
It looks like snow.
好像要下雪的樣子
b. [時間、日期]
It will soon be New Year.
快要新年了
It is Friday (today).
今天是星期五
How long does it take from here to the park ?.
從這里到公園要多久?
It takes time to get used to new shoes.
穿慣新鞋需要時間
c. [距離]
It is 2 miles to the station.
到車站 (距離) 有兩哩
d. [明暗]
How dark it is !.
好暗啊, [事情、情況] !
How goes it with you today?.
你今天覺得怎樣?
Had it not been for you, what would I have done ?.
要不是有你 (的幫助) ,我真不知該怎麼辦呢 ?
f. 作 seem [appear,happen,etc.] that? 的主詞
It seems (that) he has failed.
看來他已經失敗了
It happened (that) he was not present.
碰巧他沒有出席
6(口語)
a. [作某種動詞無意義的形式上受詞]
Let's walk it.
我們走路去
Damn it (all)!.
該死!糟了!
You'll catch it from your father.
你會挨你父親的罵
Give it (to) him!.
教訓他一頓!
→ Go it.
b.
If we miss the bus, we'll have to foot it.
如果我們趕不上公共汽車,我們只好走路
cab it (
美)坐計程車去
lord it
→lord v.t.
king it
→ king v.t.
queen it
→queen v.t. 2.
c. [作介系詞的無意義、形式上之受詞]
I had a good time of it.
我玩得很愉快
Let's make a night of it.
讓我們痛飲一晚吧
7 [在 "it is[was]? that [who,whom,which,etc.] "的句型中用以強調句子主詞, (動詞或介系詞的) 受詞,副詞片語]
It is I that [who] am to blame.
該受責備的是我
It is the price that frightens him.
使他嚇一跳的是那價錢
It was Franklin who wrote "God helps them that help themselves.".
寫「天助自助者」這句話的人是富蘭克林
It was Mary (that) we saw.
我們看到的是瑪麗
It was peace that they fought for.
他們作戰為的是和平
It was in this year that the war broke out.
戰爭就是在這一年爆發的
It was beer (that) you drank, not water. = It was beer, not water, (that) you drank.
你喝的是啤酒,不是水
have had it →have v
have what it takes →what pron
If it had not been for →if
If it were not for → if
it
[It; it]
《Italian vermouth 之略》
不可數名詞
(英口語)! (甜味的) 義大利的苦艾酒
gin and it
杜松子酒與甜苦艾酒的混合酒
it
[It; it]
《it 的轉借》
不可數名詞
1 ! (捉迷藏等游戲的) 鬼
2 (口語)
a. 極致,理想 (the ideal)
In that blue dress she was ~.
她穿上那件藍色衣服美極了
As a Christmas gift, this is really it.
當作耶誕禮物,這是最理想的東西
b. 重要人物,第一號人物,頭號人物
Among physicists he is it.
在物理學家中他是佼佼者
3 (俚)性的魅力,性感 (sex appeal)
That's it
(1) (問題) 就在那裡
(2)就像那樣,那樣就可以
That's it for today.
今天到此為止 (就此結束)
(3)那樣就結束,那就是全部
This is it
(口語)終於到了時候 [緊要關頭] ; 果然不出所料
with it
(1)不落伍的,時髦的,現代化的
(2)領悟力強的; 精明的,機警的; 知內情的
get with it
趕上時代,順應新潮流; 警覺,留神
C. it在英語語法中有幾種用法
一、it強調句型的構成：
It+be+被強調部分+that(強調部分指人做主語時時用who，指人做賓語時用whom)+句子的其他部分。
例如：
Mary
met
an
old
beggar
in
the
street
yesterday.
It
was
Mary
who/that
met
an
old
beggar
in
the
street
yesterday.
(強調主語)
It
was
an
old
beggar
whom/that
Mary
met
in
the
street
yesterday.(強調賓語)
It
was
yesterday
that
Mary
met
an
old
beggar
in
the
street.(強調時間狀語)
It
was
in
the
street
that
Mary
met
an
old
beggar
yesterday.(強調地點狀語)
注意：it強調句型不能強調句子的謂語。
D. it,的用法
「It」 用法及其句型和固定搭配，是英語語法的重點、難點，又是近幾年考試的熱點，因此在復習中應給予足夠的重視。現將it用法歸納如下：
一、It用作實詞
表達以下概念:指代前文提到的事物，前文中的this, that；替代前文中的內容；指代一位性別不明的小孩或未知的人；指代未指明但談話雙方都知道的那件事；指代時間、天氣、氣候、距離等自然現象。
二、It用作形式主語
替代作主語的從句、動詞不定式、動名詞，而把真正作主語的從句、動詞不定式、動名詞置於句尾。
It 作形式主語的常見句型：1. 代作主語的動詞不定式，其句型為（1）It be adj. (for sb.) to do sth.
（2）It be adj. of sb. to do sth.
（3）It替代作主語的動名詞的常見句型：
It』s no good/use doing…
It』s (well)worth doing…
It』s (well)worth one』s while doing/to do It』s (well)worth while doing/ to do
2. It替代作主語的從句常見句型
（1）It is + noun +從句
（2）.It is adj. +clause
It』s surprising that… (should)………竟然……
It』s a pity/shame that…(should)………竟然…
（3）It verb sb. + clause= It is v-ing + clause
It+surprise/delight/interest/disappoint/worry/disturb/annoy/amaze/bother/concern/frighten/please/anger sb. that…
（4）It verb (to sb.) that…= sb/sth verb to do
(verb = appear, seem, come about, emerge, follow, chance, happen, occur, transpire, turn out , work out)
（5）It is v-ed that…=sb/sth is to do
(verb=say, report, think, believe, hope, expect, agree, accept, decide, determine, intend, plan, understand, know）
四、It 作形式賓語
用來替代作賓語的從句、動詞不定式、動名詞，而把真正作賓語的從句、動詞不定式、動名詞置於句尾。
It 作形式賓語的常見句型：
1. verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe, suppose, consider, feel, make, keep…)
五、強調句型
It is/was+被強調部分+ that(who)… 強調句型用來強調謂語動詞以外的任何句子成分。當被強調部分是人時也可以用who。
在使用強調句型時需注意以下幾點：
1. 請注意強調句型的特殊疑問句
2. 在強調原因狀語從句時，只能強調由because所引導的從句。
3. 在強調not … until結構時必須把not與until一起放到被強調的位置上。
4. 注意強調句型與定語從句的區別。
六、It 常用的固定搭配
1. make it
(1).在口語當中相當於succeed,表示：成功、做到、說定、趕上、及時到達 。
更詳細的請看：）~~
http://www.kaoshi100.cn/show.asp?id=227&name=%D3%A2%D3%EF%B0%E6
E. it的基本用法
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，指一個人或事物。
—Who is knocking at the door? —It』s me.
（4）指環境情況等。
It was very noisy (quiet) at the very moment.
（5）指時間、季節等。
—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）用於強調結構。
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）
能用於這個句型的形容詞有strange、wonderful、natural、good、proper、right、wrong、well、fortunate、important、necessary、useless、likely、probable、impossible等。有時可省去should而直接用動詞原形。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 + 被強調部分 + 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調句型的「考點」）
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.（注意兩句中的時態）
It is five months since I arrived in New York.我到紐約已經五個月了。
It is five months since I was in New York.我離開紐約已經五個月了。
（注意：終止性動詞表示從動作發生時算起；如果是狀態動詞或持續性動詞，則從動作或狀態結束時算起。）
（8）It is + 時間 + before …
這個句型和上面句型中時間都是時間段，如long、years、months、weeks、five days、three
hours、twenty minutes等。不過主句的時態多用一般將來時或一般過去時。
It will be several years before we meet again.
我們要過好幾年才能再見面。
It was not long before they set out for the front.
不久他們就出發去了前線。
（9）It is /was/will be the first/second/third … time that …
It is the first time that I have been here.
It was the second time that he had seen the film.
（10）It is up to sb. to do sth … 應由某人做某事。
It is up to you to decide whether we start or not.
F. it的用法，語法的語法語法
It 的 用 法 1. 要點提示 it可以用作人稱代詞，它還可以指時間、天氣、距離、上下文等，另外，it還可以作先行詞，作形式主語和形式賓語。 2. 用法指南 (1)作為人稱代詞，it可以用來指東西、動物、嬰兒和未確定身份的人。 Where's my book? Have you seen it? 我的書在哪裡？你看見了沒有？ The dog is in the garden, isn't it?狗在花園里，是吧？ The baby cried because it is hungry.嬰兒哭了，因為他/她餓了。 (Someone is ringing.)Who's it? It's me. (有人在按門鈴。)誰呀？是我。 (2)it 可以指上下文內容 The Olympic Game will be held in Beijing in 2008. It makes the Chinese proud. 2008年將在北京舉行奧運會。這使得中國人非常自豪。 (3)it表示時間、天氣、距離等。 What time is it now? It's half past nine.現在幾點了？九點半 It is cold.天氣冷。 It's about ten kilometers from the park to the museum. 公園到博物館大約是十公里。 (4)it用作形式主語或形式賓語 It's very important for us to learn English well.(實際主語是to learn English well) 對我們來說，學好英語很重要。 I found it hard to fly a kite. (實際主語是to fly a kite)我發現放風箏很難。 it 代詞 pron. 1. (指已提及或心目中的人或事物)這,那,它 This is our new car. I bought it yesterday. 這是我們的新車。我昨天買的。 2. (指無生命物、動植物、性別不詳的幼孩等)它 What a beautiful baby -- is it a boy? 多漂亮的孩子啊--它是男孩嗎? 3. (作無人稱動詞的主語,表示時間、氣候、距離等) It's about 50 kilometers from here to my ranch. 從這兒到我的牧場約有五十公里。 It's early yet. 還早呢。 It's very hot. 天真熱。 4. (置於句首或句中,引導後面的短語或從句) I'd think it well worth while to go. 我覺得很值得一去。 5. (作為形式上的主語或賓語,用於表示強調的句型中) But here it's my word that counts. 但這里是我說的話算數。 6. (用於某些動詞、介詞後面,詞義含糊,構成習慣語) Don't lord it over your friends. 不要對你的朋友擺威風。