高中英語(yǔ)中常用it固定句型結(jié)構(gòu)

1、-作者xxxx-日期xxxx高中英語(yǔ)中常用it固定句型結(jié)構(gòu)【精品文檔】高中英語(yǔ)中常用it固定句型結(jié)構(gòu) 1.     It was/will be long(時(shí)間one week/two years .)+before從句 。譯為“很久(一周/兩年后)才”。如:It will be long before he is back .很久以后他才回來(lái)。 2. It is/has been/was + some time + since從句. 譯為“自從以來(lái)已經(jīng)有多長(zhǎng)時(shí)間了”。如: It has been three da

2、ys since he was ill.他生病已經(jīng)有三天了。注意: 如果since從句中的謂語(yǔ)動(dòng)詞為延續(xù)性動(dòng)詞時(shí), 應(yīng)譯為“自從不以來(lái)已經(jīng)有多長(zhǎng)時(shí)間了”。如: It is / has been seven years since I taught in this school.  我離開(kāi)這所學(xué)校已經(jīng)有七年了。時(shí)態(tài)的把握:如果主句運(yùn)用的是一般現(xiàn)在時(shí)或現(xiàn)在完成時(shí),那么since引導(dǎo)的從句用一般過(guò)去時(shí);如果主句運(yùn)用的是一般過(guò)去時(shí),那么since引導(dǎo)的從句常用過(guò)去完成時(shí)。 3. It + be + the +序數(shù)詞+ time + that從句. 譯為“是某人第幾次做某事了”。如:

3、It is the first time that I have .come here這是我第一次來(lái)這兒。注意:如果主句是一般現(xiàn)在時(shí)或一般將來(lái)時(shí),從句用現(xiàn)在完成時(shí);如果主句是一般過(guò)去時(shí),從句用過(guò)去完成時(shí)。 4. It +be +具體時(shí)間+ when .譯為 “當(dāng)某事發(fā)生時(shí),時(shí)間是在”。如:  It was 10:00 when they arrived at the factory.  他們到達(dá)工廠時(shí)是十點(diǎn)。 5.It is (high) time that sb did sth該句型表示“某人現(xiàn)在該做某事了”，從句常用過(guò)去時(shí)（虛擬語(yǔ)氣）。 如：It i

4、s high time that you got up.6 It is adj(for sbsth) to do sth常用的形容詞有：easy， hard， difficult，possible， important， impossible， necessary， good， bad， exciting， interesting， surprising等。如：It is necessary to change your job 7 It is n(for sbsth) to do sth常用的名詞有： pity, shame, pleasure, ones duty, o

5、nes job, fun, joy, good manners, bad manners等。如：It is a pity for you to have missed such a wonderful playIt is good manners for the young to take up the seats for the old8 It is adjof sbto do sth 此句型中的形容詞主要描述某人的品德、特征。能用于該句型的形容詞有：kind, nice, wise, silly, polite, impolite, fri

6、endly, foolish, clever等。如：How silly it was of you to give up such a good chance！9 It is adj（n）doing sth 此句型中的形容詞和名詞常見(jiàn)的有：nolittle use, nomuch good, useless等。如：Its no use crying over spilt milk10It takes /took sb一段時(shí)間to do sth 表示“做某事花費(fèi)某人多長(zhǎng)時(shí)間”。如：It took us half an hour to ride to the town

7、 .11It is 及物動(dòng)詞的過(guò)去分詞that從句 此句型中常見(jiàn)的及物動(dòng)詞的過(guò)去分詞有：said, told, known, reported, recorded, thought, believed, considered等。如：It is reported that the Russian President will visit China next week12It 不及物動(dòng)詞that從句 此句型中不及物動(dòng)詞常見(jiàn)的有：seem， happen， appear， matter等。如：It seems that there will be a heavy snow tomorrowIt happened that I met my good friends in the museum yesterday13強(qiáng)調(diào)句型：It is被強(qiáng)調(diào)部分thatwho從句在使用強(qiáng)調(diào)句型時(shí)要注意，指人時(shí)可以用who或that，其它情況一律用that。如：It was under the bed that my brother hid the ball this morning14. make it  表示“成功;做到;趕上”。如:The train is due to leave in five minutes ? we wi