2018屆中考英語一輪復(fù)習---形容詞副詞的比較級和最高級公開課教學(xué)課件-(共31張PPT)

1、,形容詞副詞的比較級和最高級,Yao Ming is Jordan.,Jordan is tall.,Yao Ming is taller.,Jordan,2.26m,1.98m,taller than,Look and say,Lead-in,Liu Yifei is thin.,Xiaoming is thinner than Liu Yifei .,Mike is the thinnest of all,Xiaoming,Mike,1.掌握形容詞、副詞比較級和最高級的構(gòu)成 2.掌握形容詞、副詞等級的基本用法,Learning aims :,復(fù)習：回顧舊知識,回顧舊知識,1、規(guī)則變化 單音

2、節(jié)詞和少數(shù)雙音節(jié)詞,形容詞和副詞等級的構(gòu)成,fast high clever ,faster, fastest,higher, highest,cleverer, cleverest,1）一般情況加 er 或 est,fine late nice ,finer, finest,later, latest,nicer, nicest,以字母 e 結(jié)尾加 r 或 st,2),3),fat big thin ,fatter, fattest,bigger, biggest,thinner, thinnest,重讀閉音節(jié)、末尾只有一個輔音字母時雙寫最后的輔音字母再加 er 或 est,4),early

3、 easy lucky ,earlier, earliest,easier, easiest,luckier, luckiest,以輔音字母加 y 結(jié)尾變 y 為 i 加 er 或 est,5),slowly - easily - carefully -,more slowly,- most slowly,more easily,- most easily,more carefully,- most carefully,部分雙音節(jié)和多音節(jié)詞在詞前加 more 或 most,形容詞和副詞等級的構(gòu)成,2、不規(guī)則變化,說出下列形容詞的比較級和最高級,1. many 2. difficult 3. b

4、ig 4. heavy 5. cheap,more most,more - most-,bigger biggest,heavier heaviest,cheaper cheapest,課堂檢測：,6.fast 7.high 8.clever 9.fine 10.late,faster fastest,higher highest,cleverer cleverest,finer finest,later latest,走入新知識,一. 原級的用法,1.A+謂V. +as +原級+as +B 表示A和B一樣,他和他的哥哥一樣高。,He is as tall as his brother.,To

5、m is as busy as Jack today .,湯姆今天和杰克(Jack)一樣繁忙。,2.A+謂V. + not +as/so+原級 +as +B 表示A不如B,數(shù)學(xué)沒有體育容易。,Math isnt as/so easy as PE.,這本書沒有那本書好。,This book isnt as /so good as that one.,二.比較級的用法,其常見句式有： 1“A + be +比較級 + than + B” 意思為“A比B更”。 這棵樹比那棵樹高。 如：This tree is taller than that one.,This pen is shorter than

6、 that one.,這支鋼筆比那支鋼筆短。,2“比較級 + and + 比較級” 表示“越來越”,It becomes warmer and warmer when spring comes. 春天來了，天氣變得越來越暖和了。,and連接同一個形容詞的比較級。,我們班級變得越來越好了。,Our class becomes better and better.,3. 比較級特殊用法： the +比較級，the+比較級 “越，就越”,越多，越好,年齡越大，記憶力就會越差。 The older we grow, the poorer our memory will become.,The more

7、， the better.,4.特殊句型： A is the +比較級of the two. A是那兩個里較的那個,他是兩個男孩中較高的那個。 He is the taller of the two boys.,She is the thinner of the two girls.,她是兩個女孩中較瘦的那個。,三.形容詞/副詞的最高級的用法,當比較對象 大于等于三 表示“最”的意思。常接表示范圍的介詞短語。如：in/of/among等等。,He is the tallest in our class. 他在我們班里是最高的。,注意: 形容詞最高級前一定要有定冠詞the， 而副詞最高級前則不需

8、要。,例： He runs (the) fastest in his class,他是他們班里跑的最快的。,活 動(activity),看圖造句（關(guān)于比較級和最高級句子）,asas,fat thin,Mrs liang,Miss lv,Mrs yang,Mr zhu,小組合作：,每小組用既含有比較級又含有最高級的句子編造對話，可適當增加內(nèi)容。派三名成員上臺表演。,課堂檢測：,用所給的形容詞副詞的適當形式填空。 1. Tom is _(tall) than Jim. 2. Tim is _(young) boy in his class. 3.David has _(many)story boo

9、ks of all the students. 4.Li Lei speaks English _ (well) in his group. 5.Lucy runs _(slowly) than Lily.,taller,the youngest,the most,best,more slowly,選擇 ( )1.Who gets home usually _ in your family? A. the latest B. later C. early D. as late ( )2. The more we looked at the picture, _. A. we like it l

10、ess B. the less we liked it C. better we liked it D. it looked better ( )3. What a pity. Lucy ran _ than Lily. A. a few slowly B. a little more slowly C. much slowly D. little slowlier,A,B,B,中考鏈接,2. （11陜西) The price of this computer is the _ of the three. A. smallest B. biggest C. highest D. tallest,2.(2009江西中考)This maths problem is very difficult. It is_ that one. A. so easy as B. as difficult as C. much difficult than D. less easier than,c,B,3（10陜西)