仁爱版中考英语复习八年级Unit4（19张）.ppt

1、中考英语复习Unit 4 Grade 8语法梳理一、形容词比较级和最高级的用法。二、反意疑问句的用法。三、whether/if 引导的宾语从句。形容词比较级和最高级 1.比较级:2.最高级:比较级:最高级:结构区别两者之间的比较三者或三者以上之间的比较 +比较级+than +the+最高级+of/in 比较级和最高级的规则变化和不规则变化2.不发音e结尾的，加-r/-st。1.直接加-er/-est。small3.重读闭音节，且末尾只有一个辅音字母，双写辅音字母+er/est。4.辅音字母+y 结尾的，把y改i加er/est。比较级和最高级的规则变化5.部分双音节和多音节的，在其前加more/

2、most。smallerbravebraverbigbiggerheavyheavierpopularmore popular比较级和最高级的规则变化和不规则变化better best比较级和最高级的不规则变化原级比较级 最高级good/wellbad/illmany/muchlittlefarworse worstmore mostless leastfarther farthestfarther强调距离更远，而further强调程度更深远。further furthest比较级的用法应注意以下几点：1.防止人与物比较。2.防止自己与自己比较。判断正误1.His hair is longer

3、 than I.2.His hair is longer than me.3.His hair is longer than mine.4.He is taller than any student in his class.5.He is taller than any girl in his class.6.Li Ming is in Class 3,he is taller than any student in Class 2.最高级:(T)一、比较级中的两个“防止”例：My hair is longer than his.例：He is taller than any other s

4、tudent in his class.范例：(T)(T)(F)(F)(F)比较级的用法应注意以下几点：二、the+比较级,the+比较级 表示“越 就越”。例：The more,the better.三、“比较级+and+比较级”表示“越来越”。例：The girl in my neighbor is becoming more and more beautiful.反意疑问句用法的注意点：1.反意疑问句中问句部分的动词与陈述部分的动词种类要对应一致。例：He has supper at home every day,doesnt he?(不能用hasnt he?)2.反意疑问句的陈述部分带

5、有no,nobody,nothing,little,few,never,hardly,seldom等否定意义的词时，问句部分用肯定式。例：She never tells a lie,does she?反意疑问句用法的注意点：3.反意疑问句的陈述部分含有由un-,im-,in-,dis-,等否定意义的前缀构成的词语时，陈述部分要视为肯定含义，问句部分用否定形式。例：Your father is unhappy,isnt he?(不能用is he?)4.反意疑问句的陈述部分为I am时，问句部分习惯上用arent I？表示。例：I am a very honest man,arent I?反意疑问

6、句用法的注意点：5.反意疑问句的陈述部分为I(We)think(believe,suppose,consider)+that从句时，问句部分的动词及主语与that从句内的动词和主语保持一致。例：We think that English is very useful,isnt it?(不用dont we?)6.反意疑问句的陈述部分为I(We)dont think(believe,suppose,consider)+that从句时，从句为否定意义，问句部分的动词和主语仍与that从句保持一致且用肯定式。例：We dont believe that the news is true,is it?(

7、不用do we?)反意疑问句用法的注意点：7.反意疑问句的陈述部分为非第一人称主语+think(believe,suppose,consider)+that从句时，问句部分的动词和主语与陈述部分的主句动词和主语保持一致。例：He didnt think that the news was true,did he?(不用wasnt/was it?)8.陈述部分为否定祈使句时，问句部分一般用will you?形式。例：Dont make any noise,will you?反意疑问句用法的注意点：LetsLet us区别will/wont you?shall/shant we?反意疑问句用法的注

8、意点：1.He is a teacher,_?Yes,he is./No,he isnt.2.He isnt a teacher,_?Yes,he is./No,he isnt.是，他是。/不，他不是。区别不，他是。isnt heis he是，他不是。拓展知识范 例：You arent a stanger,are you?_,dont you remember _ me at the gate ten minutes ago?A.Yes;to see B.No;seeing C.No;to seeD.Yes;seeing正确答案为B。whether/if 引导的宾语从句 I wonder if

9、 he will come to see me if it rains tomorrow.范例：2.介词后只能用whether。1.whether or not.这里的if 是解释为“是否”。3.whether+不定式（to do sth).只能用whether。这里的if 是解释为“如果”，所以是条件状语从句，要注意“主将从现”。We can do shopping at home.We can study on the Internet.We can use the Internet to find jobs.The Internet can help us find the way to

10、 a new place.We can also enjoy many interesting songs,movies,and games.The uses of the Internet:What else can the Internet do for us in our life?_._.We can use Internet to _._._.What do you think of the Internet?It is _.It can make our life _.But we _spend too much time on the Internet.send e-mailschat download informationwonderfulnicer,easier and more interestingshouldntWrite something about the advantages and disadvantages of Internet.