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1、Grammar,Unit 4 of 9A,介词短语:表示一段特定的时间:,fromto 表示“从到”,我通常每晚九点到十点看书。,这家店通常周一到周五营业。,I usually read books from nine to ten every night.,The shop usually opens from Monday to Friday.,between and 表示“在和之间”,我今晚七点到八点之间可以看电视吗？,这个小女孩喜欢在午饭和晚饭之间吃些零食。,Can I watch TV between seven and eight tonight?,The little girl
2、likes to eat some snacks between lunch and supper.,before, after, until表示发生的时间,before意为“在之前”； after的意思是“在之后”,你进来之前应该脱掉鞋子。,西蒙写完作业后就去打篮球了。,Before you come in, you should take off your shoes.,After Simon finished his homework, he went to play basketball.,在你走之前请来看我.,Please come and see me before you lea
3、ve.,After he finished his homework, he played chess with his friend.,做完作业后, 他和朋友下棋.,Until的意思是“直到为止”。 Until和till一般情况下可以互换，但 till一般只用于句子的中间，而until可以位于句子的中间和句首。,用于肯定句时，主句的动作必须是延续性的，这个动作一直延续到until或till所表示的时间为止,译为“直到为止”,用于否定句时，主句的动作可以是延续性的，也可以是非延续性的。这个动作一直到until或till所表示的时间才发生，译为“直到（才）not until”。,让我们等雨停吧。
4、,昨天直到我爸爸回来我才做作业。,Lets wait until/till the rain stops.,I didnt do my homework until my father came back yesterday.,from to betweenand before when if after until,1. I wont go to bed _ my mother comes back.,2. He could swim _he was five years old.,3. You may come to my office _ 9:00 a.m. _ 11:30 a.m. t
5、omorrow.,4. We go to school _ Monday _ Saturday.,5. Tom will go skating with us _ he has time.,6. The train had already left _ we got to the station.,Exercises:,until,when,if,before,while, as表示事情（动作）同时发生,Eddie睡觉时，Hobo去看电视了。,妈妈在烧饭时，Mary回来了。,连续同时发生两个长动作，我们常用while.,我们在外面时， 天正下着雨。,While Eddie was sleepi
6、ng, Hobo went to watch TV.,Mary went back as her mum was cooking.,Eddie睡觉时，Hobo正在看电视。,It was raining while we were out.,While Eddie was sleeping, Hobo was watching TV.,连续同时发生两个长动作，我们常用while.,2.我们在外面时， 天正下着雨。,1.Eddie睡觉时，Hobo正在看电视。,It was raining while we were out.,While Eddie was sleeping, Hobo was w
7、atching TV.,3.我舅舅外出时，我将呆在他家一个星期。,While my uncle is away, I will stay in his house for a week.,连接两个同时发生的短动作，我们常用as.,As the customer sat down, the waiter gave him a cup of tea.,As you see him, give him this letter.,注意：while和as引导的状语从句的时态必须与主句时态保持一致。,顾客坐下来时，服务员给了他一杯茶。,你看见他时，把这封信交给他。,当你离开时,请随身带件雨衣.,As yo
8、u leave, please take a raincoat with you.,Comparatives and superlatives of adverbs:,根据句意, 写出括号中所给词的正确形式.,1. She sang even _ (差) than usual.,2. Mother asked her son to walk a bit _ (快).,3. Of all the novels I like this one _ (最).,4. Who can jump _ (高) in your class?,5. He should speak _ (少)and listen
9、 _(多).,best,worse,faster,highest,less,more,6. The _ (努力) you work, the _ (好) harvest youll have.,harder,better,7. Please tell them not to play so _(吵闹).,noisily,副词的比较级和最高级的常用结构.,as+副词原级+as 意为“与一样”,表示同级比较,1. 她歌唱得像天使一样甜.,2. 我能一小时跑30英里.,3. 他在测试中没有Mary做的好.,She sings as sweetly as an angel.,I can run as
10、fast as 30 miles an hour.,He doesnt do so well in the test as Mary.,副词比较级+than 意为“比.更”, 表示两者之间的比较,1. 本比他那个懒爸爸起床早.,2. 他们现在比以前过的更幸福.,副词比较级+副词比较级, 意为“越来越”,1. 雨下得越来越大.,2. 老师对我们越来越严格了.,Ben gets up earlier than his lazy father.,They now live more happily than before.,It rained more and more heavily. /It r
11、ained harder and harder.,Teachers treat us more and more strictly.,The+ 副词的比较级, the+副词的比较级, 意为“越就越”,我看到她越多, 我越不喜欢她.,他打字打得越快, 他出的错就越多.,The+副词的最高级+比较范围(三者或三者以上),意为“最”,亨利是所有运动员中跳的最高的.,他在班上学习最用功.,The more I see her, the less I like her.,The faster he types, the more mistakes he will make.,Henry jumps (t
12、he )highest of all the athletes.,He works (the) hardest in his class.,注: 在as, so ,too, very, quite, rather等词后只能用原级.,1. 谢谢你教我们这么好.,2. 汤姆在跳远比赛中表现出色.,3. 我今天早晨起床太晚了.,4. 他写字不如他哥哥认真.,Thank you for teaching us so well.,Tom did very well in the long jump.,I got up too late this morning.,He doesnt write as/s
13、o carefully as his brother.,5. 今天相当暖和, 但是并不热.,Its quite warm today, but its not hot.,Between from before after until while as,1. _ I saw the kangaroo, I never knew an animal could jump so high.,2. Ill play badminton with you _ I finished my homework.,3. We must finish it _ 8:00p.m. and 11:00p.m. Com
14、e on! We dont have much time.,4. You should knock on the door _ you come in.,5. Can you watch TV _ 8:00a.m. to 9:30a.m.?,Until,after,between,before,from,between from before after until while as,6. _ the tiger came, all the animals ran away.,7. How can you know the ending _ you read the book?,8. Can
15、I stay _ the weekend?,9. _ I was doing my homework, I heard a strange noise downstairs.,10. Sandy was reading the newspaper, _ Millie was watching TV.,As,before,until,While/As,while,Put the following into English:,1.当你在看颁奖典礼时，写下你的答案并编辑文本信息发送到1396。,2.当Millie坐在沙发上的时候，Andy走进了房间。,3.我父母在看电视的时候，我正在玩电脑游戏。,
16、4.当我把我的电脑游戏放到一边的时候，我发现了它。,5.当我今天晚上收拾包的时候我将把我的杂志放进去。,As you are watching the awards, write down your answers and send text message to 1396.,As Millie sat down on the sofa, Andy came into the room.,While my parents were watching TV, I was playing a new computer game.,As I pack my school bag tonight, Ill put the
