小學(xué)英語語法：形容詞和副詞的解析和習(xí)題
1、形容詞表示某一事物或人的特征，副詞表示某一動作的特征。
形容詞和副詞有三種形式：原形、比較級、最高級。比較級：+er 最高級：the …+est
兩個重要特征：as……as中間一定用原形，than的前面一定要+er。
2、形容詞、副詞比較級的規(guī)則變化如下：
(1)一般直接+er。如：tall - taller, fast - faster 單音節(jié)詞如果以-e結(jié)尾，只加-r。如：late - later
(2)重讀閉音節(jié)詞如末尾只有一個輔音字母，須雙寫這個字母，再加-er。如：big - bigger, fat - fatter
(3)以輔音字母加-y結(jié)尾的詞，變y為i，再加-er。如：heavy - heavier, early - earlier
(4)雙音節(jié)和多音節(jié)詞的比較級應(yīng)在原級前加more構(gòu)成。如：beautiful - more beautiful, careful - more careful, quietly - more quietly, interesting - more interesting
(5)有些不規(guī)則變化的，須逐一加以記憶。如：good/well – better, bad/ill – worse, many/much – more, far – farther/further, old – older/elder…
練一練：
1、寫出下列形容詞、副詞的比較級。
big good long tall old
short thin heavy young fat
light strong high far low
early late well fast slow
2、用括號內(nèi)所給單詞的適當形式填空。
1) I can swim as _______ (fast) as the fish, I think.
2) Look! His hands are _______ (big) than mine.
3) I think you do these things_______ (well) than your classmates.
4) Whose bag is _______ (heavy), yours or mine?
5) Does Jim run as _______(slow) as David? Yes, but Mike runs_______ (slow) than them.
6) You have seven books, but I have _______ (many) than you. I have ten.
7) I jump _______ (far) than some of the boys in my class.
8) I’m very_______ (thin), but she’s _______ (thin) than me.
9) It gets _______and_______ (warm) when spring comes here.
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