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1、 1 形容词的比较级 当我们需要对事物作出比较时,需要用到比较级。比较级的句子结构通常是:什么+动词 be(am,is,are)+形容词比较级+than(比)+什么,如:Im taller and heavier than you.(我比你更高和更重。)An elephant is bigger than a tiger.(一只大象比一只老虎更大。)形容词的比较级是在形容词的基础上变化而来的,它的变化规则是:一般的直接在词尾加 er,如 tall-taller,strong-stronger,以 e 结尾的,直接加 r,如 fine finer,以辅音字母加 y 结尾的,先改 y 为 i 再加
2、 er,如 funny-funnier 双写最后的字母再加 er,如 big bigger,thin thinner,hot hotter 什么叫开音节?开音节分两种,一种叫绝对开音节,相对开音节。绝对开音节:单个元音字母后面没有辅字组的重读音节。例如:no blue ba-by stu-dent se-cret.相对开音节:单个元音字母后面加单个辅音字母,再加一个不发音字母 e 构成的重读音节。例如:name these bike home ex-cuse.什么叫闭音节?单个元音字母后面有辅字组(r w y 除外)且以辅字组结尾的重读音节。例如:bag egg fish not cup 英语
3、读音-开音节和闭音节 1开音节 1)以发音的元音字母结尾的单节。例:be,he。2)以辅音字母(r 除外)+不发音的 e 结尾的音节。例:make,like。*在重读的开音节中元音字母按字母名称读音。2闭音节 2 以一个或几个辅音字母(r 除外)结尾而中间只有一个元音字母的音节,称为闭音节。例:map,desk,is。*在重读的闭音节中元音字母读做短元音。除此之外,还有几个特殊的单词,它的比较级和最高级都是不规则的,如:many/much(原形)more(比较级)most(最高级)little/few(原形)less(比较级)least(最高级)good(原形)better(比较级)best(
4、最高级)bad(原形)worse(比较级)worst(最高级)far (原形)further furthest 附加:形容词的最高级变化类似于比较级,只是把词尾的 er 改成 est,如:tall(原形)-taller(比较级)-tallest(最高级)long(原形)-longer(比较级)-longest(最高级)big(原形)-bigger(比较级)-biggest(最高级)注意 比较的两者应该是互相对应的可比较的东西。典型错误:My hair is longer than you.(我的头发比你更长。)比较的两者是我的头发、你(整个人),那么比较的对象就没有可比性。应该改为:My ha
5、ir is longer than yours.或 My hair is longer than your hair.附:如果比较的两者是一样的时候,我们会用 asas这个词组,它的用法是:什么+be+as+形容词原形+as+什么,意思是什么和什么一样。如:Im as tall as you.(我和你一样高。)My feet are as big as yours.(我的脚和你的一样大。)专项练习 3 一、从方框中选出合适的单词完成句子 (1)How is the Yellow River?(2)How is Mr Green?Hes 175cm.(3)How are your feet?I
6、wear size 18.(4)How is the white T-shirt?Its 100 yuan.(5)How apples are there in the bag?There are 5.(6)How is the fish?Its 2kg.二写出下列形容词或副词的比较级和最高级 old _ _ young_ _ tall_ _ long_ _ short_ _ strong_ _ big_ _ small_ _ fat_ _ thin_ _ heavy_ _ light_ _ nice_ _ good_ _ low_ _ high_ _ slow_ _ fast_ _ late
7、_ _ early_ _ far_ _ well_ _ long_ _ wide _ _ fat_ _ heavy_ _ few_ _ brightly_ _ badly _ _ far_ _ quickly _ _ happy_ _ unhappy _ _ 三、根据句意填入单词的正确形式:1.My brother is two years _(old)than me.heavy tall long much many big 4 2.-Is your sister _(young)than you?-Yes,she is.3.-Who is _(thin),you or Helen?-Hel
8、en is.4.-Whose pencil-box is _(big),yours or hers?-Hers is.5.My eyes are _(big)than _(she).6.Which is _(heavy),the elephant or the pig?7.Who gets up _(early),Tim or Tom?8.Jim runs _(slow).But Ben runs _(slow).9.The cat is _(fast),the horse is _(fast)than the cat.10.Chinese homework is _(easy).Maths
9、homework is _(easy)than it.四、选择正确的答案()1.Which is _ season in Beijing?I think its spring.A.good B.well C.best D.the best ()2.The city is becoming _.A.more beautiful and more B.more beautiful and beautiful C.more and more beautiful D.more beautiful and beautifuler ()3.Which does Alice like _,Chinese o
10、r Art?A.well B.best C.better D.much ()4.The Changjiang River is one of _ in the world.A.the longest river B.longest rivers C.the longest rivers D.longer rivers ()5.LiMing speaks Chinese _ better than me.A.very B.more C.a lot of D.much ()6.There are _ boys in Class Two than in Class Four.A.more B.many C.most D.best ()7.Who has _ oranges now,Jim,Lily or Lucy?A.much B.biggest C.better D.the most ()8.Mother is _ in my family.A.busy B.busier C.the busiest D.more 5