形容詞和副詞比較級(jí)用法

1、形容詞和副詞比較級(jí)用法重難點(diǎn)名稱： 掌握形容詞和副詞原級(jí)、比較級(jí)用法，教授學(xué)生比較級(jí)構(gòu)成規(guī)則 經(jīng)驗(yàn)案例： 形容詞、副詞的原級(jí)和比較級(jí)大多數(shù)形容詞和副詞有三個(gè)等級(jí)：原級(jí)、比較級(jí)和最高級(jí)。本單元我們主要學(xué)習(xí)形容詞、副詞的原級(jí)和比較級(jí)的構(gòu)成及其用法。 原級(jí)形容詞、副詞的原級(jí)即原形。1. 原級(jí)可用于句型“主語(yǔ) + be / 行為動(dòng)詞 + as + 形容詞 / 副詞原形 + as + 比較對(duì)象.”，該句型表示兩者在某一方面相同。當(dāng)表示一方在某一方面不及另一方時(shí)，常用句型“主語(yǔ) + be + not + as / so + 形容詞原形 + as + 比較對(duì)象.”或“主語(yǔ)+ dont / doesnt +

2、行為動(dòng)詞原形+ as / so + 副詞原形 + as + 比較對(duì)象.”。如：This pen is as cheap as that one.Jane works as hard as Amy.Your house is not as / so big as mine. Tom doesnt run as / so fast as his brother. 2. 原級(jí)前可用very，quite等詞修飾。如：Im very tired. Helen plays the guitar quite well. 比較級(jí)構(gòu)成形容詞和副詞的比較級(jí)的構(gòu)成分為規(guī)則變化和不規(guī)則變化兩種，具體構(gòu)成見(jiàn)課本P114

3、。用法1. (1) 當(dāng)兩者(人或事物)之間進(jìn)行比較，其中一方“較”或“更一些”時(shí)常用比較級(jí)，常用句型“主語(yǔ) + be / 行為動(dòng)詞 + 形容詞 / 副詞比較級(jí) + than + 比較對(duì)象.”。當(dāng)than后為人稱代詞時(shí)，可用其主格形式或賓格形式。如：Alice is funnier than Molly. Dale studies harder than I / me.Dale is more handsome than Peter. (2) 當(dāng)詢問(wèn)兩者中誰(shuí)更 / 哪一個(gè)更 / 什么更時(shí)，常用句型“Who / Which / What + be + 形容詞比較級(jí), A or B?”和“Who /

4、 Which / What + 行為動(dòng)詞 + 副詞比較級(jí), A or B?”。如：Which is better, the red pen or the black pen? Who dances better, you or your sister? 2. 形容詞和副詞的比較級(jí)可以單獨(dú)使用。如:It was quieter outside.Try to do better next time.3. 形容詞和副詞的比較級(jí)前可以用a little，much，a lot等詞語(yǔ)修飾。如：The red hat is a little / much cheaper than the yellow on

5、e.Tom, drive a lot more slowly.【運(yùn)用】. 單項(xiàng)選擇。1. Its much _ to have a small lovely room than a big cold one. A. good                    B. wellC. better                   D. best  (2013 浙江杭州)2. Sam and Sa

6、ndy are twin brothers. But Sam is _ than Sandy.A. more outgoing      B. very outgoingC. the most outgoing       (2014 貴州貴陽(yáng))3. Air pollution (污染) has become _ than ever before. We must do something to stop it.  A. serious      

7、;       B. more serious C. most serious         D. the most serious  (2014 上海)4. I dont think history is more useful than physics.I disagree. In my opinion, history is _ physics.A. as useful as             

8、0;B. not so useful as    C. less useful than        D. the most useful of  (2014 湖北襄陽(yáng))5.What do you think of receiving (收到) and giving gifts?I think the art of receiving a gift is _ than the art of giving. A. much more difficult    

9、60;    B. very more difficult C. much difficult             D. as difficult as  (2014 四川內(nèi)江)6. It is not so _ as yesterday, so there are _ people walking in Tuan Chengshan Park today.A. cold; fewer               B. warm; moreC. cold; more                D. warm; most (2014 湖北黃石). 寫出下列形容詞或副詞的比較級(jí)。1. cold _            2. nice _ 3. fat _