Unit3 形容詞副詞比較級和最高級課件人教版英語八年級上冊-課件下載-教習(xí)網(wǎng)

形容詞副詞的比較等級形容詞、副詞的原級、比較級和最高級1、分類：形容詞和副詞有原級、比較級和最高級三級。原級變?yōu)楸容^級和最高級有規(guī)則變化和不規(guī)則變化兩種。2、規(guī)則變化:(1)單音節(jié)和部分雙音節(jié)形容詞和副詞,在原級的后面加上er,est構(gòu)成比較級和最高級。a)直接加er,est ： clean-cleaner-cleanestb)以重讀閉音節(jié)結(jié)尾的,要雙寫最后一個輔音字母,后加er,est：big-bigger-biggestc)以輔音字母+y結(jié)尾的,先把y改為i再加上er,est：tidy-tidier-tidiest(2)兩個音節(jié)或兩個以上的音節(jié)的,在原級前加more / most.beautiful-more beautiful-most beautiful3、不規(guī)則變化:原級比較級最高級good好的 better更好的 best最好的well好；(身體)好的, bad,badly糟糕的,糟糕地 worse更糟糕的,更糟糕地；(身體)更不舒服的 worst最糟糕的,最糟糕地；(身體)最不舒服的ill(身體)不舒服的 many許多的(可數(shù)) more更多的；更 most最多的；最much許多的(不可數(shù))；非常 little少的 less更少的 least最少的far遠的；遠地 farther更遠的；更遠地 farthest最遠的；最遠地 further進一步的(地) furthest最深刻的(地)4、基本句型☆表示兩者之間一樣。。。時,使用句型： A + 謂語動詞 + as + 形容詞/副詞原級 + as + B He is as tall as his younger sister.他和他妹妹一樣高。 He runs as fast as his sister。他和他妹妹跑得一樣快。 ☆表示A不如B時, A+ 謂語動詞(否定式) + as / so + 形容詞/副詞原級 + as + B. He is not so / as tall as his younger sister.他沒他妹妹高。He doesn't work as hard as his younger sister.他沒有他妹妹努力。☆表示A比B。。。時,A +謂語動詞形容詞/副詞比較級 + than+ BI'm more outgoing than my sister.我比我妹妹更外向。He plays tennis better than his sister.4、基本句型☆表示兩者之間一樣。。。時,使用句型： A + 謂語動詞 + as + 形容詞/副詞原級 + as + B He is as tall as his younger sister.他和他妹妹一樣高。 He runs as fast as his sister。他和他妹妹跑得一樣快。4、基本句型 ☆表示A不如B時, A+ 謂語動詞(否定式) + as / so + 形容詞/副詞原級 + as + B. He is not so / as tall as his younger sister.他沒他妹妹高。He doesn't work as hard as his younger sister.他沒有他妹妹努力。4、基本句型☆表示A比B。。。時,A +謂語動詞形容詞/副詞比較級 + than+ BI'm more outgoing than my sister.我比我妹妹更外向。He plays tennis better than his sister.比較級特殊結(jié)構(gòu)：1、“比較級+and+比較級”表示“越來越……”。如：The weather is getting warmer and warmer.(天越來越溫暖了)2、“the+比較級…,the+比較級…”表示“越…就越…”。如：The more trees we plant,the better it will be.(我們栽的樹越多,情況就會越好)/ The harder you try,the greater your progress is.(你越是努力,進步就越大)比較級特殊結(jié)構(gòu)：1、“比較級+and+比較級”表示“越來越……”。如：The weather is getting warmer and warmer.(天越來越溫暖了)2、“the+比較級…,the+比較級…”表示“越…就越…”。如：The more trees we plant,the better it will be.(我們栽的樹越多,情況就會越好)/ The harder you try,the greater your progress is.(你越是努力,進步就越大)最高級的句型是：主語(sb./sth) + 謂語動詞 +(the) +形容詞/副詞最高級 +in / of …. 如：Town Cinema is the quietest of all the cinemas in town. He jumped (the) highest of the three (boys).(三個男生中他跳得最高)最高級的特殊結(jié)構(gòu)：1. one of the +最高級+名詞(復(fù)數(shù))”整個短語為單數(shù)含義,謂語要用單數(shù)形式。如：The elephant is one of the most important symbols in Thailand.大象是泰國最重要的象征之一。2、“Which / Who+動詞+形/副,A,BorC?”句型中,如果有兩個選項,形/副用比較級,如果有三個選項,形/副用最高級。如：Who has more friends, you or your sister?Which is the heaviest,a pig,a horse or an elephant?(豬、馬、象哪個最重？)用所給詞的適當(dāng)形式填空1. Diana was a little fat in the past.But now she is much_______(瘦的)than before. 2. My mother is the________(busy) in my family. She always has much to do every day. 3.Dumpling House is___________(cheap) restaurant in the city.4.Who do you think listens___________(careful),Jack,Mike or Mark?5.Do you think I am as________(serious) as my father.thinnerbusiestthe cheapestmost carefullyserious1. There are_________sharing bikes in many cities. So there will be________pollution.A.less and less; more and more B.less and less; fewer and fewerC.more and more; less and less D.fewer and fewer; less and less2. Beijing is one of the________in the world today.A.busiest city B.busiest cities C.busy city D.busy cities3.The government says that they are going to build the third__________road in the town. A.wide B.wider C.widest D.the widestCBC4.—How hard you are working，Helen!—We must! President Xi said that_______we are，_______we will be.A.the more hard-working:the luckier B.the hard-working;the lucky C.more hard-working;luckier D.the most hard-working;the luckiest 5. My sister is a little_________than my cousin.A.heavy B.more heavy C.heavier D.the heaviestAC