比較級和最高級歸納總結(jié).ppt

Unit 7 Whats the highest mountain in the world?,Grammar focus, Whats the highest mountain in the world? Qomolangma. How high is Qomolangma? Its 8,844.43 meters high. Its higher than any other mountain., Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lakes. Did you know that China is one of the oldest countries in the world? zxxk Yes, I did. Its much older than the US.,大多數(shù)形容詞有三個級。 1. 原級: Structure : as . as. 像.一樣 e.g. Tim is as tall as Tom. 2. 比較級 (用于兩者之間的比較): Structure：形容詞比較級 than . e.g. This box is bigger than that one.,形容詞和副詞的比較級和最高級,3. 最高級(用于三者或三者以上的比較): Structure: the + 形容詞的最高級of / in . e.g. Tom is the heaviest in our class. He is the most popular in our school.,規(guī)則變化 1) 一般情況下，單音節(jié)或雙音節(jié)的形容詞/副詞比較級er， 最高級est。如: clever cleverer cleverest few fewer fewest small smaller smallest 等。,形容詞、副詞的比較級和最高級 規(guī)則變化和不規(guī)則變化,2) 以e結(jié)尾的詞，比較級r，最高級st 即可。 如： nice nicer nicest cute cuter cutest large larger largest 3) 以輔音字母y結(jié)尾的變y為ier或est 如: easy easier easiest happy happier happiest 再如：early, busy, heavy, dirty, lazy 也如此。,4) 重讀閉音節(jié)，單輔音結(jié)尾的，雙寫這個輔音字母er 或 est的詞： fat fatter fattest thin thinner thinnest hot hotter hottest red redder reddest wet wetter wettest big bigger biggest zx。xk,5) 多音節(jié)和部分雙音節(jié)的詞需要在形容詞 原級前more 構(gòu)成比較級，the most 構(gòu) 成最高級。如： beautiful more beautiful the most beautiful 又如: delicious, popular, important, interesting, expensive, creative 雙音節(jié)的詞如: careful more careful the most careful useful more useful the most useful,少數(shù)單音節(jié)詞也是這樣，如： pleased more pleased the most pleased tired more tired the most tired