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uarekindtohelpme.Itseemedselfishofhimnottosharehisdictionarywithothers.=Heseemedselfishnottosharehisdictionarywithothers.7.It+be+名詞詞組+動(dòng)詞不定式,如:Itisnotagoodhabittostayuptoolate.8.It+be+名詞或形容詞+動(dòng)名詞,這類名詞和形容詞常常是:good,nogood,nouse,awasteof,useless,senseless,no pointt等,如:It’sawasteoftimetalkingtoheranymore.Itisnousearguingaboutthematterwithhim.9.It+take(sb.)+時(shí)間(金錢)+動(dòng)詞不定式,如:Ittooktheworkersalmostthreeyearstofinishbuildingthedam.Itwilltakeawholedaytogettothetopofthemountainonfoot.五:it 與時(shí)間相關(guān)的句式歸納:① It takes sb some time (時(shí)間段) + to do sth 花費(fèi)某人多少時(shí)間做某事② It is (high / about) time that sb did / should do (是某人該做某事的時(shí)候了。從句動(dòng)詞須用過去式或should + 動(dòng)詞原形,should千萬不能省,high, about表示強(qiáng)調(diào))。例:It’s high time that you worked hard at your lessons. / you should work hard at your lessons.③ 第幾次做某事的句型It (this) is the first time + that clause (從句用現(xiàn)在完成時(shí))例:It is the second time that you have e late for school this week.It (this) was the first time + that clause (從句用過去完成時(shí))例:It was the third time that we had visited the Great wall.④ It was / is / will be + some time (時(shí)間段) + before …(過多久才…,該時(shí)間段較長(zhǎng),常用詞匯:minutes, hours, days, weeks months, years, along time, etc.)例如:It will be 120 days before Beijing hosts the 29th Olympics.It was / is will be not + some time (時(shí)間段較短) + before (沒過多久就…)例如:It won’t be very long before we leave school.⑤ It is / has been + some time (時(shí)間段) + since…(自從…以來,多久了。)since從句為一般過去時(shí)態(tài).例如:① It’s 2 years since he smoked. (他戒煙兩年了)② It has been 3 years since we last met. (我們已有三年不曾見面了)It was + 時(shí)間點(diǎn) + when (引導(dǎo)定語從句)。注意:it指時(shí)間,該時(shí)間前無介詞,一般為具體時(shí)間,注意與強(qiáng)調(diào)句區(qū)分。強(qiáng)調(diào)句:1).It is+被強(qiáng)調(diào)的部分+that如果被強(qiáng)調(diào)的部分為時(shí)間狀語,則為完整的時(shí)間。帶有介詞2).It is/was not until...that...例:① it was 8 when I got up.② it was at 8 that I got up.(強(qiáng)調(diào)句)六: it常見的固定搭配take it easy別著急 make it成功 get it明白 catch it受處罰 take it買了 as sb. puts it正如某日所說When it es to...當(dāng)談及。時(shí) That’s 。I can’t help 。七:it做形式賓語1. it代替不定式短語think/ find/ feel/ consider/ make/ regard…+ it +形容詞/名詞+ 不定式短語如:I find it pleasant to work with him.,只限于少數(shù)句型。如:①The professor consider it no good reading without understanding. ②Do you consider it any good trying again?③He found it useless(no use)arguing with him.④He thought it absolutely senseless attempting the impossible.⑤I don’t think it worthwhile going to such a place.3. V. +it+ when/if從句。常見于appreciate, enjoy, like, dislike, love, hate, prefer等少數(shù)動(dòng)詞。如:We would much appreciate it if you could do us that favour.4. V. +it+ that從句。常見于like, take, have, put等少數(shù)動(dòng)詞后。如:I take it that they will succeed sooner or later.5. V. +it+介詞短語+ that從句。常見于bring it to one’s attention, owe it to sb, take it for granted等結(jié)構(gòu)中如:I took it for granted that they were not ing.6. V. +介詞短語+ it+ that從句。常見于answer for, depend on, insist on, look to, see to, stick to等結(jié)構(gòu)中。如:I’ll see to it that everything is ready in time.7. V. +it+過去分詞+從句。常見于幾個(gè)可以帶過去分詞做賓語補(bǔ)足語的動(dòng)詞后。一感二聽三使五看。如:They haven’t made it known where the meeting is to take place.