2022年中考英语一轮复习被动语态比较级最高级课件

这是一份2022年中考英语一轮复习被动语态比较级最高级课件，共24页。PPT课件主要包含了被动语态，思考如何变否定，be allowed，2不规则变化等内容，欢迎下载使用。
一.构成二.用法三.主动语态变被动语态的方法四.题型练习
一.构成 be+动词的过去分词
二.用法（1）不知道或者没必要说明动作的执行者是谁 eg. Rice is grwn well there.（2）强调动作的承受者 eg. I was sent t teach them English.（3）出于礼貌考虑不愿意说出动作的执行者是谁 eg.He was asked t give a talk n hw t learn English.（4）固定句式 eg. It is said/reprted that
三.主动语态变被动语态的方法（1）先确定句子的主谓宾，找出谓语（2）把主动句子中的谓语动词后的宾语变为被动句的主语，若宾语是人称代词，应把宾格变主格（3）把主动句中谓语动词前面的主语变为被动句中介词by的宾语，若主语是人称代词，应把主格变为宾格。（4）把主句中的谓语动词变为“be+动词的过去分词”，但时态不能变。 eg. The wrkers make machines in this factry. Machines are made by the wrkers in this factry.
注意：（1）在主动语态中用省略t的动词不定式作宾补时，变被动语态时要把t加上，make，hear ，see等 eg. I ften heard her sing in the next rm last year. She was ften heard t sing (by me)in the next rm last year.（2）带双宾语动词的被动语态①间接宾语变主语，直接宾语不变 eg.He gave me a new bk. I was given a new bk by him.②直接宾语变主语，间接宾语前通常加介词t或fr。加t的动词有give，bring，pass，lend，read，write，teach，shw，加fr的介词有，buy，sing，chse，make，leave，mend等。
eg. He gave me a new bk. A new bk was given t me by him.四.题型练习1.He Jiang_________t give a speech at the graduatin ceremny at Harvard University last B.invited C.is invited D.was invited2.Students d less hmewrk nw. Usually it _______ befre 9 'clck in the B.finished C.is finished D.was finished
3. -Lily,will yu g t Jenny's birthday party this Saturday? -I'm nt sure. Because I ______s 't invited B.wasn't invited C.haven't been invited D.will be nvited4.Parents shuld allw their children t chse their wn clthes.（改） Children shuld _______ _______t chse their wn clthes by their parents.
It is+adj+fr/f sb t d与adj+enugh t d
一. It is +adj +fr sb t d 做某事对某人来说是的 常见的形容词有imprtant，necessary，easy，difficult， pssible，hard eg. It is useful fr me t learn a freign language. It is nt easy fr her t s s much wrk in a day.二.It is +adj +f sb t d 某人做某事是...的 常见的形容词有kind，gd，nice，clever，flish，plite 这些形容词都是描述人的品格和性格的词
注意：1.it是形式主语，真正的主语是动词不定式。2.sb和不定式之间存在主动关系。三.adj+enugh t d
四.题型练习1.It is necessary fr us________t ur parents when we have talk B.talking C.talk is kind ______this girl t help me d lts f B.fr C.f is nice f yu _________me with my B.helping C.t help the past it was difficult fr the pr ______ a B.t find C.lk D.t lk fr5.Jim is strng enugh_________the heavy carry B.carry C.carrying D.carried
副词及其比较级与最高级
一.副词原级二.副词比较级和最高级的构成三.副词比较级和最高级的用法四.题型练习
一.副词原级 副词可以用来修饰动词，形容词，副词本身，整个句子。 副词的主要构成规则如下： 1.直接在形容词后加-ly：quiet-quietly quick-quickly 2.以y结尾且y读音为 [i] 的，变y为i，再加-ly：happy-happily heavy-heavily 3.以辅音字母加-le结尾，去e加-y：simple-simply terrible-terribly 4.以ll结尾，只需加-y：full-fully dull-dully
二.副词比较级和最高级的构成（1）规则变化
三.副词比较级和最高级的用法1.比较级+than+比较对象 ，“一者比另一者” eg. It's rining harder than +比较级，the+比较级，“越...越...” eg. The earlier yu start yur wrk,the sner yu 'll get it +副词原级+as+比较对象，用于肯定形式 eg.His step mther lved him as dearly as his wn s/as +副词原级+as+比较对象 eg.They are nt able t read s freely as their teacher.5.（the）+最高级+表示范围的短语或从句，副词最高级前的the通常可以省略。 eg. Of all the subjects I like English best.
6.比较级前可用表示程度的a little，a bit，a lt，much，far等修饰 eg. He is nw wrking much harder than befre.四.题型练习1.I can't telll the exact time.My watch ges a few minutes B.faster C.later lked afer her pet dg _______f all her B.mst careful C.mre carefully D.the mst carefully
3.The yung shuld speak t the ld B.plitely C.implite is nt as clever as Lucy，but he wrks _______than B.harder C.hardest D.the hardest5.We are s glad t see Meizhu is develping _____these days than it did quickly B.quicklier C.mst quickly D.the mst quickly
6.-Wh ran ____f all in the sprts meeting? -Hectr did,I B.faster C.the fastest D.mre fast7.We held a cncert in the hall yesterday.Kate sang ______amng the B.well C.better D.best