【正文】 是對(duì)句子某一部分進(jìn)行強(qiáng)調(diào)，無論強(qiáng)調(diào)的是什么成分，都可用連詞that。例如：正確表達(dá)：It is said that President Jiang will visit our school next ：That President Jiang will visit our school next week is said.（3）It happens/occurs?結(jié)構(gòu)中的主語從句不可提前。(3)動(dòng)詞＋間接賓語＋賓語從句。 從句的動(dòng)詞這類動(dòng)詞有allow, refuse, let, like, cause, force, admire, condemn, celebrate, dislike, love, help, take, forgive等。另外，常用的還有the reason is that? 和It is because 等結(jié)構(gòu)。had to leave。what 。s(well)worth one39。s(just)(un)like do?（不）像某人做某事的風(fēng)格例It was(just)like him to think of helping 39。s)doing(adj.=useless/worth/worthwhile)(noun=no use/no good/worth one39。在使用強(qiáng)調(diào)句型時(shí)需注意以下幾點(diǎn)：例When was it that he changed his mind to take part in the activity？，只能強(qiáng)調(diào)由because所引導(dǎo)的從句例It was because he was ill that he didn39。t for Tom, I wouldn39。ll really catch it form our teacher if we39。m not sure it39。s up to you.“It”用法及其句型和固定搭配專練 it during the Second World War_____ he died? which(88) ____ necessary to plete the design before National Day? (89) don39。如：a)The boy picked up a coin in the road and(the boy)handed it to a 。b)Work hard when(you are)young ,or you39。2)當(dāng)從句的主語是 it，謂語動(dòng)詞中又含有系動(dòng)詞be 時(shí)，可以把it和系動(dòng)詞be一起省略。如：a)This is the first time(when/that)he had trouble with the 。b)He said(that)the Antisecession law had been passed and that President Hu Jintao had signed a presidential order 他說《 反分裂國(guó)家法》已被通過，而且胡錦濤主席已簽署了主席令。s birthday party ，我昨天沒有去參加瑪麗的生日聚會(huì)。5．同時(shí)省略幾個(gè)成分 如：a)—Are you feeling better now? 你覺得好些了嗎 ？—(I am feeling)Much better(now)好多了。(NMET1995)b)She wants to e but her parents won’t allow her to(e).她想來，可是她父母不讓。3．主語部分暗含to do，表語中的不定式通常省去to。2．What和 how引導(dǎo)的感嘆句中，?？墒÷灾髡Z it 和be動(dòng)詞 如：a)What a wonderful victory(it is)for Tom!這對(duì)Tom來說是個(gè)多么大的勝利呀！b)How beautiful(it is)to be treated like a normal 。 做主語時(shí),謂語動(dòng)詞可用單數(shù), 也可用復(fù)數(shù)。書名如: Arabian Night 。A part of the apple has been eaten up by the 。如： Mary is one of those people who keep 。leaves grasses leaves 。There are so many kinds of taperecorders on sale that I can39。此類動(dòng)詞還有g(shù)et，have。3)to be +形容詞seem, appear, be said, be supposed, be believed, be thought, be known, be reported, hope, wish, des?，F(xiàn)在分詞表達(dá)主動(dòng)，也表達(dá)正在進(jìn)行，過去分詞表達(dá)被動(dòng)。注意疑問詞帶不定式在句中作成分時(shí)，謂語動(dòng)詞用單數(shù)。I happen to know the answer to your 。Mary is the only one of those people who keeps 。, 金錢, 距離, 度量等的名詞做主語時(shí), 盡管是復(fù)數(shù)形式, 它們做為一個(gè)單一的概念時(shí), : Ten miles is a good 。10.“a +名詞+and a half “, “one and a half + 名詞”, “the number of + 名詞” 等作主語時(shí), : Only one and a half apples is left on the : one or two + 復(fù)數(shù)名詞作主語, 謂語動(dòng)詞用復(fù)數(shù)形式, 如: One or two places have been 。None of this worries 。,如果主語是同一個(gè)人,同一事,同一概念, 謂語動(dòng)詞用單數(shù), :The poet and writer has .(一個(gè)人)A hammer and a saw are useful .(兩樣物)用and連接的成對(duì)名詞習(xí)慣上被看成是一個(gè)整體, 如:bread and butter(黃油抹面包), knife and fork(刀叉)等作主語時(shí), 謂語動(dòng)詞用單數(shù)。4．當(dāng)兩個(gè)或多個(gè)不定式并列時(shí)，其后的不定式符號(hào)可以省略，但有對(duì)比關(guān)系時(shí)不可省略。如：— I will be away on a business you mind looking after my cat ?— Not at would be happy to(look after your cat).—我要出差，你能幫我照顧一下我的貓嗎？—沒關(guān)系，我很愿意。四、動(dòng)詞不定式省略，只保留to 的場(chǎng)合1．不定式作某些動(dòng)詞的賓語時(shí)，這些動(dòng)詞常見的有：love, like, care, wish, hope, expect, prefer, refuse, mean , try , oblige , advise , persuade , agree , want , afford , forget , remember , try , manage等。如：—Why were you absent from school last Friday ?—(I was absent from school)Because my mother was ill.—上周五你為什么沒有上學(xué)？ —因?yàn)槲覌寢尣×恕Ｈ纾篴)I know that NBA star Yao Ming will e to our city but I don’t know when(he will e to our city).我知道NBA明星要到我們城市來但我不知道他什么時(shí)候來。c)Could you tell us the reason(why/that)he was so unhappy ? 你能告訴我們他為什么如此不高興嗎？3）當(dāng)先行詞為表示方式的 the way 時(shí)，從句不能用 how 來引導(dǎo)，應(yīng)該用that 或 in which，或?qū)⑺鼈內(nèi)渴÷?。如：Unless(it is)necessary ,you39。c)He looked everywhere as if(he was)in search of 。c)Tom must have been playing basketball and Mary(must have been)doing her ，瑪麗一直在寫作業(yè)。t finish the job on time? (91) was not _____ she took off her glasses _____ I realized she was a famous film , that , that , that , then(92) was disappointed with the had expected ______ to be much (93) was not until 1920 ______ regular radio broadcasts (94) a fact that English is being accepted as an international (95) was only when I reread this poems recently _____ I began to appreciate their (97) hate_____when people talk with their mouths (98) is the ability to do the job _____ matters not where you e from or what you (2000) like ___ in the autumn when the weather is clear and bright.(2004) 13.—Do you like ___ here?—Oh, air, the weather, the way of is so nice.(全國(guó)卷) needed a new cupboard for the Peter made ___ from some wood.(全國(guó)卷) foreign Minister said, “ _____ our hope that the two sides will work towards peace.”(2004北京) is is is is is reported in the newspaper, talks between the two countries are making progress.(2004北京) 17.— How often do you eat out?(2004, 天津)— ________, but usually once a no idea depends usual speaking wanted to get home before dark, but it didn39。s it 在口語中，相當(dāng)于useful, 表示“有好處，值得做”例Don39。t give up!)相當(dāng)于go on,表示“繼續(xù)做，不放棄”例My teacher asked me to keep at it!(Go on!)拼命干, 莽撞 you have done it!(You have done .) you39。s it(1).相當(dāng)于That39。clock that he came here yesterday.(強(qiáng)調(diào)句型)It was 7 o39。ll make it worth your while telling me about his +it+ important/unimportant/necessary/unnecessary/natural/essential that …(should)…verb+it+of much/great/no/little importance that…(should)…(verb=think, believe, suppose, consider, feel, make, keep…)例I think it important that you(should)attendthe + it+ as+ noun/adj.+ clause(verb=accept, regard, take, see, view)例The lecturer takes it as encouraging when so many students attend his .+it + prep.+ that…owe it to ?把?歸功于?leave it to sb that?把?留給某人去做take it for granted that ?想當(dāng)然keep it in mind that…例Don39。s(about/high)time that we should take 39。s(well)worth while doing/ to do例It39。that 。must leave。同位語從句對(duì)于名詞進(jìn)一步解釋，說明名詞的具體內(nèi)容，一般由that引導(dǎo)，例如：1)The king’s decision that the prisoner would be set free surprised all the )The order that all the soldiers should stay still is given by the 同位語從句有時(shí)可以不緊跟在它所說明的名詞后面，而是被別的詞隔開。如：正確表達(dá)：I adm