9A Unit4 Grammar2

while 可表示“然而”、“却”的意思(表示转折) 但 as 则没有类似用法：
能力提升:while, as的用法
While 3) ________ reading, he fell asleep. 他看书时睡着了。 While in trouble, ask her for help. ________ 遇到麻烦的时候你就去找她帮忙。 while后可接现在分词、介词短语形容词等构成省 略句，但as一般不这样用。
不规则 变化
well much little badly far
early-earlier-earliest
1. 她歌唱得像天使一样甜。
She sings as sweetly as an angel. 2. 他在测试中没有Mary做的好。 He doesn’t do so well in the test as Mary does.
单音节词在词尾
hard harder hardest 加-er(比较级)或- high higher highest est(最高级)；以字 fast faster fastest
母e接尾的词加-r
或-st
词尾变化 多音节词 和多数双 音节词在 其前面加 more 和 most
原级 slowly carefully quickly
Grammar D
comparative and superlative adverbs
Millie ran fast.
Sandy ran
Amy ran
faster
Sandy
than A.
of the three. Millie
the fastest
Amy
Rules
词尾变化 原级 比较级 最高级
当堂检测二:
Finish off the exercises on P73
It is raining!
拓展延伸
副词比较级+副词比较级, 意为“越 来越……”
1. 雨下得越来越大。
It rained more and more
heavily.
2. 你学习越来越努力了。
You study harder and harder.
4.米莉看电视的时候，Eddie在睡觉。
was watching TV While was _______Millie____ ______ ____, Eddie ____ sleeping. ________ 5.当米莉看电视的时候, Andy走进了房间。 Millie was watching TV While/As ____ ____ _______ ___, Andy came into the room.
5. Please send us e-mailes as quickly ______ (quick) as possible. 6. He should speak less (little) and ___ listen _____ (much). more 7. Please tell them not to play so ______ (noisy). noisily
fell asleep while/as My father ____ ______ _______he was watching TV.
3.当她到家时，天开始下雨 。
As she got home ___ ____ ____ _____, it began to rain.
Practice:Translate the following sentences:
4. You should knock on the door before _____ you come in. 5. Can you watch TV _____ 8:00a.m. from to 9:30a.m.? 6. __ the tiger came, all the animals As ran away. 7. How can you know the ending before you read the book? ______
能力提升:while, as的用法
1)
as She sang ___ she went along. 她边走边唱。 as Things are getting better and better ___ time goes on. 随着时间的推移，情况越来越好。
若表示 “一边…一边…” ，“随着…” 的意思, 用 as. while He likes coffee, _______ she likes tea. 2) 他喜欢咖啡，而她却喜欢茶。
Grammar D
comparative and
superlative adverbs
Revision
Between from before after until while as 1. Until I saw the kangaroo, I never _____ knew an animal can jump so high. 2. I’ll play badminton with you ____ I after finished my homework. 3. We must finish it _______ 8:00p.m. between and 11:00p.m. Come on! We don’t have much time.
8. Can I stayuntil the weekend? ____
9. While/As I was doing my ________
homework, I heard a strange
noise downstairs.
10. Sandy was reading the newspaper, while Millie was ____ watching TV.
ห้องสมุดไป่ตู้
Practice:Translate the following sentences:
1.妈妈做饭的时候,我在做作业。
doing my _______ while I was ____ ___ homework _____ my mother ___ cooking was ______.
2我父亲在看电视时睡着了。
用所给词的正确形式填空。 1. She sang even _____ (bad) than worse usual. 2. Mother asked her son to walk a bit _________ (fast). faster 3. Of all the novels I like this one best (well). ____ 4. Who do you think can jump highest _______ (high) in your class?
我看到她越多, 我越不喜欢她。
The more I see her, the less I like her.
他打字打得越快, 他出的错就越多。
The faster he types, the more mistakes
he will make.
The+ 副词的比较级, the+副词的比 较级, 意为“越…就越…”
1. 本比他那个懒爸爸起床早。
Ben gets up earlier than his lazy
father.
2. 他们现在比以前过的更幸福。
They now live more happily than
before.
亨利是所有运动员中跳的最高的。
Henry jumps highest of all the athletes. 他在班上学习最用功。 He works hardest in his class.
比较级
more slowly more carefully more quickly
最高级
most slowly most carefully most quickly
词尾变化
原级
比较级 better more less worse farther
最高级 best most least worst farthest