【精編版】中考英語一輪復習被動語態(tài)比較級最高級課件

1、中考一輪復習被動語態(tài)比較級最高級被動語態(tài)一.構(gòu)成二.用法三.主動語態(tài)變被動語態(tài)的方法四.題型練習一.構(gòu)成 be+動詞的過去分詞一般現(xiàn)在時am/is/are+動詞過去分詞The room is cleaned every day.一般過去時was/were+動詞過去分詞Jim was asked to go there.一般將來時will be+動詞過去分詞Lots of tees will be planted on the hill next year.am/is/are+動詞過去分詞Your watch is going to be repaired.現(xiàn)在完成時have/has been+

2、動詞過去分詞Man-made satellites have been sent up in to space by many countries.過去完成時had been+動詞過去分詞Mr Green had lived in New York for ten years before he came to China. 現(xiàn)在進行時am/is are being+動詞過去分詞Look! The children are being taken care of by their aunt.過去進行時was/were being+動詞過去分詞The room was being cleaned

3、 by him at nine yesterday morning .過去將來時would+be+動詞過去分詞(+by sb)His brother said that the homework would be finished by him in half an hour.思考：如何變否定？二.用法（1）不知道或者沒必要說明動作的執(zhí)行者是誰 eg. Rice is grown well there.（2）強調(diào)動作的承受者 eg. I was sent to teach them English.（3）出于禮貌考慮不愿意說出動作的執(zhí)行者是誰 eg.He was asked to give a

4、 talk on how to learn English.（4）固定句式 eg. It is said/reported that三.主動語態(tài)變被動語態(tài)的方法（1）先確定句子的主謂賓，找出謂語（2）把主動句子中的謂語動詞后的賓語變?yōu)楸粍泳涞闹髡Z，若賓語是人稱代詞，應(yīng)把賓格變主格（3）把主動句中謂語動詞前面的主語變?yōu)楸粍泳渲薪樵~by的賓語，若主語是人稱代詞，應(yīng)把主格變?yōu)橘e格。（4）把主句中的謂語動詞變?yōu)椤癰e+動詞的過去分詞”，但時態(tài)不能變。 eg. The workers make machines in this factory. Machines are made by the work

5、ers in this factory.注意：（1）在主動語態(tài)中用省略to的動詞不定式作賓補時，變被動語態(tài)時要把to加上，make，hear ，see等 eg. I often heard her sing in the next room last year. She was often heard to sing (by me)in the next room last year.（2）帶雙賓語動詞的被動語態(tài)間接賓語變主語，直接賓語不變 eg.He gave me a new book. I was given a new book by him.直接賓語變主語，間接賓語前通常加介詞to或

6、for。加to的動詞有g(shù)ive，bring，pass，lend，read，write，teach，show，加for的介詞有，buy，sing，choose，make，leave，mend等。 eg. He gave me a new book. A new book was given to me by him.四.題型練習1.He Jiang_to give a speech at the graduation ceremony at Harvard University last month.A.invites B.invited C.is invited D.was invited2.

7、Students do less homework now. Usually it _ before 9 oclock in the evening.A.finishes B.finished C.is finished D.was finished 3. -Lily,will you go to Jennys birthday party this Saturday? -Im not sure. Because I _so far.A.havent invited B.wasnt invited C.havent been invited D.will be onvited4.Parents

8、 should allow their children to choose their own clothes.（改） Children should _ _to choose their own clothes by their parents.be allowedIt is+adj+for/of sb to do與adj+enough to do 一. It is +adj +for sb to do 做某事對某人來說是.的 常見的形容詞有important，necessary，easy，difficult， possible，hard eg. It is useful for me t

9、o learn a foreign language. It is not easy for her to so so much work in a day.二.It is +adj +of sb to do 某人做某事是.的 常見的形容詞有kind，good，nice，clever，foolish，polite 這些形容詞都是描述人的品格和性格的詞注意：1.it是形式主語，真正的主語是動詞不定式。2.sb和不定式之間存在主動關(guān)系。三.adj+enough to do adj+enough to do=so.thatThe man is strong enough to carry the b

10、ox.The man is so strong that he can carry the box.adj+enough for sb to do=so.thatThe question is easy enough for me to work out.The question is so easy that I can work it out.not+adj+enough to do= so that=too.toThe girl is not old enough to dress herself.The girl is so young that she cant dress hers

11、elf.The girl is too young to dress herself.not+adj+enough for sb to do= so.that=too.for sb to doThe box is not light enough for her to move.The box is so heavy that she cant move it.The box is too heavy for her to move.四.題型練習1.It is necessary for us_to our parents when we have problems.A.to talk B.t

12、alking C.talk D.talks2.It is kind _this girl to help me do lots of things.A.at B.for C.of D.in3.It is nice of you _me with my maths.A.help B.helping C.to help D.helped4.In the past it was difficult for the poor _ a job.A.ind B.to find C.look D.to look for5.Jim is strong enough_the heavy box.A.to car

13、ry B.carry C.carrying D.carried副詞及其比較級與最高級一.副詞原級二.副詞比較級和最高級的構(gòu)成三.副詞比較級和最高級的用法四.題型練習一.副詞原級 副詞可以用來修飾動詞，形容詞，副詞本身，整個句子。 副詞的主要構(gòu)成規(guī)則如下： 1.直接在形容詞后加-ly：quiet-quietly quick-quickly 2.以y結(jié)尾且y讀音為 i 的，變y為i，再加-ly：happy-happily heavy-heavily 3.以輔音字母加-le結(jié)尾，去e加-y：simple-simply terrible-terribly 4.以ll結(jié)尾，只需加-y：full-full

14、y dull-dully二.副詞比較級和最高級的構(gòu)成（1）規(guī)則變化單音節(jié)詞和少數(shù)雙音節(jié)詞一般在詞尾加-er -estsoonsoonersoonest以字母e結(jié)尾的直接加-r -stwidewiderwidest以輔音字母加y結(jié)尾的詞，把y變i，再加-er -estearlyearliererliest多數(shù)雙音節(jié)詞和多音節(jié)詞在詞前加more mosthappilymore happilymost happily（2）不規(guī)則變化原級比較級最高級wellbetterbestbadlyworseworstmuchmoremostlittlelessleastfarfartherfarthestfur

15、therfurther三.副詞比較級和最高級的用法1.比較級+than+比較對象 ，“一者比另一者” eg. Its rining harder than never.2.the +比較級，the+比較級，“越.越.” eg. The earlier you start your work,the sooner you ll get it finished.3.as+副詞原級+as+比較對象，用于肯定形式 eg.His step mother loved him as dearly as his own mother.4.not so/as +副詞原級+as+比較對象 eg.They are

16、not able to read so freely as their teacher.5.（the）+最高級+表示范圍的短語或從句，副詞最高級前的the通?？梢允÷?。 eg. Of all the subjects I like English best.6.比較級前可用表示程度的a little，a bit，a lot，much，far等修飾 eg. He is now working much harder than before.四.題型練習1.I cant telll the exact time.My watch goes a few minutes _.A.sooner B.fa

17、ster C.later D.longer2.Emma looked afer her pet dog _of all her friend.A.careful B.most careful C.more carefully D.the most carefully3.The young should speak to the old _.A.polite B.politely C.impolite D.impolitely4.Tony is not as clever as Lucy，but he works _than her.A.hard B.harder C.hardest D.the hardest5.We are so glad to see Meizhou is developing _these days than it di