lesson8healthy_living_健康生活剖析.ppt

3. 以不发音的e结尾时加r/st. eg. fine → finer → finest 4. 重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加-er/est.eg. big → bigger → biggest 5.不规则adj（常用）的比较级与最高级如下: 原级 比较级 最高级 good better best bad worse worst many/much more most old older/elder oldest/eldest little less least 比较级规则变化口诀： 比较级，要变化，一般词尾加er。(long-longer) 词尾若有哑音e, 直接加r就可以。(nice-nicer) 重读闭音节， 单辅音字母要双写。(hot-hotter) 辅音字母若加y, 记得把y变为i。(happy-happier) 不规则变化 good, well bad/badly far old much, many little better worse farther, further older, elder more less 1、 同级对比 （肯） as（原级）as… ：“和……一样” He is as tall as me. He runs as fast as me. （否） not as / so（原级） as…“ My sister is not as/so tall as I. = My sister is shorter than I. 肯定句只能用 as… as , 否定not as… as ; not so… as 都可以 四、其他比较级 2. 比较级+ and + 比较级 “越来越……” The weather is getting colder and colder.  I am fatter and fatter. She is getting more and more beautiful. 3. the +比较级， the+比较级…. 表示“越……，越……”: The busier he is, the happier he feels. The harder you work, the more progress you will make. 4. (a lot, a bit, even, far, much…) 修饰比较级，表程度。 除上述词外，还可以在比较级前加倍数。 She’s a little more outgoing than me. This garden is twice larger than that one. =This garden is three times as large as that one. 5. 比较级前通常不加定冠词the，但有时为了强调，比较级不 用than结构，而用of结构，此时，比较级前要加上定冠词 the。 Lily is the taller of the twins莉莉是双胞胎中较高的那个。 Difficulties 6. 在比较句型中，than后面的谓语动词常常省略。也可以用相应的助动词来代替与前面相同的谓语动词，以避免重复。 Tom does better in schoolwork than I (do). 7. 在口语中，than后面可用人称代词的宾格来代替人称代词的主格。 They get to school earlier than we / us every day. Difficulties 注意： as…（原级） as … quite, very, too 后面一定接原级。 1. 越来越大 2. 越来越重 3. 越来越好 4. 越来越多 5. 越来越慢 6. 越来越容易 7. 越来越差 8. 越来越激动 9. 越来越早 10. 越来越有趣 1. bigger and bigger 2. heavier and heavier 3. better and better 4. more and more 5. more and more slowly 6. easier and easier 7. worse and worse 8. more and more excited 9. earlier and earlier 10.