【正文】 常見句型：，其句型為(1)It be adj.(for sb.)to do ：easy, difficult, hard, necessary, unnecessary, possible, impossible, likely, unlikely, right, wrong, important, unimportant, legal, illegal, wellmannered, illmannered, polite, impolite, clear, obvious, certain, suitable, proper, fit, useful, useless, dangerous…例It is illegal(for a teenager)to drive a car without a license.(2)It be do ：kind, unkind, nice, rude, cruel, considerate, thoughtful, thoughtless, careful, careless, silly, foolish, stupid, clever, wise, It39。s(well)worth one39。s surprising that?(should)???竟然??It39。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 the third time that he has failed the driving is/has been? since ?continuous ved(延續(xù)性動詞)某動作已有多長時間不發(fā)生了例It39。s)doing(adj.=useless/worth/worthwhile)(noun=no use/no good/worth one39。t mind, be fond of, feel like, see to 賓語從句緊跟it之后例I hate it you can swim so well and I can39。在使用強調(diào)句型時需注意以下幾點：例When was it that he changed his mind to take part in the activity？，只能強調(diào)由because所引導(dǎo)的從句例It was because he was ill that he didn39。s hard to make it to the top in show business.(2).在口語中相當(dāng)于fix the date for,表示“約定好時間”例—Shall we meet next week?— just make it next it is(1).相當(dāng)于in fact, in reality表示“事實上，實際情況是??”例We had planed to finish the task today, but as it is we probably won39。t for Tom, I wouldn39。s so “至此為止，沒有別的了”例You can have one more sweet, and that39。ll really catch it form our teacher if we39。ll be punished.) it happened, ? 在口語中，相當(dāng)于it39。m not sure it39。s worth it or “信不信由你”例Believe it or not, Tom is getting married to Mary next it or leave 例That is my last can take it or leave all depends/that all depends 在口語中，相當(dāng)于it hasn39。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。s up to you right to hear that was ____ back home after the until midnight did he go midnight that he didn39。如：a)The boy picked up a coin in the road and(the boy)handed it to a 。二、主從復(fù)合句中的省略1．狀語從句中的省略一般說來省略現(xiàn)象多出現(xiàn)在下列五種狀語從句中：由 when ,while ,as ,before, after , till, until, once等引導(dǎo)的時間狀語從句；由whether ,if , unless 等引導(dǎo)的條件狀語從句；由though , although ,even if ,whatever等引導(dǎo)的讓步狀語從句；由 as ,than 等引導(dǎo)的比較狀語從句；由as, as if , as though 等引導(dǎo)的方式狀語從句。b)Work hard when(you are)young ,or you39。e)The exhibition is more interesting than(it was)。2)當(dāng)從句的主語是 it，謂語動詞中又含有系動詞be 時，可以把it和系動詞be一起省略。2．定語從句中的省略1）一般說來，在限制性定語從句中，作賓語的關(guān)系代詞 that ,which , whom 可以省略；如：Is this reason(that)he explained at the meeting for his carelessness in his work?這就是他在會上解釋他工作中粗心的原因嗎？（2002上海春季）而在非限制性定語從句中作賓語的關(guān)系代詞 which , whom 不可以省略。如：a)This is the first time(when/that)he had trouble with the 。t like the way(that/in which)you laugh at 。b)He said(that)the Antisecession law had been passed and that President Hu Jintao had signed a presidential order 他說《 反分裂國家法》已被通過，而且胡錦濤主席已簽署了主席令。4．在與suggest ,request ,order ,advise 等詞相關(guān)的名詞性從句中，須用虛擬語氣形式“should +動詞原形”，should可以省略。s birthday party ，我昨天沒有去參加瑪麗的生日聚會。5．主句省略多用于句首。如：a)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候來。如：a)I think(that)the reform of the renminbi39。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，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÷?。Tom , whom you saw yesterday ,fell ill.(whom不可以省)湯姆病倒了，你昨天見到他了。如：Unless(it is)necessary ,you39。奧林匹克金牌獲得者跨欄運動員劉翔張開嘴好像要說什么。c)He looked everywhere as if(he was)in search of 。(2)連詞（though, whether , when）+形容詞；(3)連詞(whether, as if ,while)+介詞短語；(4)連詞(when , while , though)+ 現(xiàn)在分詞；(5)連詞(when ,if ,even if ,unless ,once ,until, than , as)+ 過去分詞；(6)連詞(as if ,as though)+ 不定式。c)Tom must have been playing basketball and Mary(must have been)doing her ，瑪麗一直在寫作業(yè)。t goKEYS:15 ACDDB 610 DCDBA1115 ACDBD 1620 BBBBC第三章 高中英語語法中的省略現(xiàn)象在英語語言中，為了使語言簡潔明了，重點突出或上下文緊密相連，可以省去某些句子成分而保持句子愿意不變，這種語言現(xiàn)象稱之為省略。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.(全國卷) needed a new cupboard for the Peter made ___ from some wood.(全國卷) 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 up to ，相當(dāng)于it39。s it 在口語中，相當(dāng)于useful, 表示“有好處，值得做”例Don39。t worry or 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 “對啦”例— I guess the key to the problem is thechoice “A”—That39。s it(1).相當(dāng)于That39。t for?/if it hadn39。clock that he came here yesterday.(強調(diào)句型)It was 7 o39。m for it that you will follow their 、強調(diào)句型It is/was+被強調(diào)部分+ that(who)? 強調(diào)句型用來強調(diào)謂語動詞以外的任何句子成分。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, re