1、- 1 -八年级上册 Unit4 Grammar 学案主备：华阳中学 袁传月 审核: 日期:2018-08-01学校_ 班级_ 姓名_ 家长签字_【板块要点】一、教学目标 1. 掌握祈使句的基本构成、用法、肯否定的形式。2. 掌握 should, had better 的用法、肯否定形式。3. 能够使用祈使句进行简单的交流。教学重点、难点1. 祈使句的基本构成、用法，肯、否定的形式。2. 祈使句进行交流技巧。二、词汇、短语 1 cut (vt.) 过去式 cut2 sentence (n.) 句子（pl.）sentences3 on the other side of 另一方面4 put up
2、 a picture on the wall. 在墙上挂幅画5 had better（not ）do sth 最好（不要）什么三、句型（语法） 1Paint the walls blue.Please Paint the walls blue.Dont paint the walls blue, please. 2should (not) do sth. / had better(not) do sth.3Put so many books on the shelf4Cut out pieces of card with a pair of scissors.- 2 -八年级上册 Unit4
3、Grammar 学案主备: 华阳中学 袁传月 审核: 日期:2018-08-01学校_ 班级_ 姓名_ 家长签字_【课前导学】1.张贴一张画 _ 2.剪出几张卡片 _ 3.尝试着做某事 _ 4.放 弃 _5.持续/不断做某事 _ 6.在另外一边 _【课堂学习】Step1. Presentation and practice1. Free talk with students and present “Imperative sentence”. 2. Explain more about “Imperative sentence”. ( PPT )3. Finish the exercises
4、on P47.Step2. Presentation and practice1. Show a picture to present “should” and “had better”.2. Present the usages of “should”.3. Present the usages of “had better”.4. Finish the exercises on P48.Step3. HomeworkFinish off the exercises.【语法小贴士】1. Imperative sentence (祈使句) ，用于表示向对方提出请求、命令、劝告等。(1) 祈使句
5、的肯定形式： “动词原形”开头(主语 you) 通常被省略.e.g. Please the shelf _ _ . (为我修理架子)_ _ a picture on the wall, please. (张贴)the walls . (将墙壁涂成蓝色)(2) 祈使句的否定形式： “Dont + 动词原形” 开头e.g. the cat. (不要涂色 )2. 情态动词 had better 情态动词 had better 表示一种建议和劝告，意思是“最好” 、 “还是好”。意思与 should 相近，但语气比 should 强烈。(1)肯定句形式：“主语+had better+动词原形+”e.g
6、. Its raining outside._ _ _ _ (你最好穿上) your raincoat(2)否定句形式：“主语+had better not+动词原形+”e.g. You_ _ _ _ _ _ (最好别叫醒我) before 6 a.m. 注：人称和数的形式：had better 中 had 无人称、数和时态的变化。缩写形式：had better 可以与作主语的人称代词缩写。如：you had better = youd better we had better = wed better e.g. 你最好耐心点，这孩子只有一岁大。_ _ be patient, the baby
7、 is only one year old.【课后拓展】一、 词汇运用。1. The meeting will soon be over. _ (not be) so _ (patient)!2. _ a foreign language is useful to our life. (learn)3. Never (be)afraid of speaking in public. You are no longer a small boy.- 3 -4. the first bus, he got up early this morning. (catch)5. _ worried, you
8、r daughter will be back on time. (not be)6. You had better all the colors together. It will be terrible. (not mix)7. Remember _ the door when you leave the classroom. (close)8. You shouldnt _ (give) up _ (learn) English because it is very important.9. Please write down all the _ you heard as much as
9、 you can. /sent()nsiz/10. Peter _ his finger when he played with this knife. So you must be careful. (切割)二、单项选择。( ) 1. Its time for class. _ late again, Bill!A. Dont to be B. Dont be C. Not be D. Dont( ) 2. Kate, _ your homework here tomorrow.A. bring B. brings C. take D. takes( ) 3. -You look tired
10、. You had better _ right now.-Thank you. But I have much work to do.A. not to have a good sleep B. to have a good sleepC. not have a good sleep D. have a good sleep( ) 4. -Remember to turn off the lights when you leave the room. -_.A. OK. I will B. No, I wont C. It doesnt matter D. I know that( ) 5.
11、 -I have to get to the airport at 10:00, but its 9:20 now.-_! I can drive you there.A. Thats a good idea B. Hurry up C. Dont worry D. Try your best( ) 6. I will have a trip to Nanjing _ fishing tomorrow.A. instead to go B. instead of going C. instead of go D. instead go( )7. You look very tired.Youd
12、 better_a good rest.A. stop to have B.stop having C.to stop to have D.to stop having( )8. We can do a lot to stay healthy. First of all, we should _ a healthy diet.A. eating B. ate C. eat D. eats三、按要求改写句子，每空一词。1. If you move, youll die.（改为同义句）_ _, or youll die.2. Would you like to wait for a moment?
13、(改为祈使句)_ _a moment, please.3. Youd better come on Sunday. (改为否定句)You _ _ _ come on Sunday.4. I should read the instructions carefully before I start the work. (对划线部分提问)_ _ you _ before you start the work?5. We wont go for a picnic because of the rain, well have lessons in the school instead. （改为同义句）
14、We will have lessons in the school _ _ _ for a picnic because of the rain.四、翻译句子。1.我们应该保持教室干净整洁。We should keep the classroom _ and _.2.你每天不应该花太多时间和你的宠物在一起。You shouldnt _ _ _ _with your pet every day.3.不要在墙上写字。- 4 -_ _words on the wall.4.你不应该喝太多的酒。You _ _too much. 5.我们最好不要告诉他这个消息。Wed better_ _him the
15、 news.6.他喜欢把它们混合在一起并切成小片。He likes_ them_ and_ them_ small_.7.你不应该放弃自己安装架子。You shouldnt _ _ _ the shelf _. 8.我们最好不要告诉他这个消息。Wed better_ _him the news.五、阅读理解Scientists are trying to make the deserts (沙漠) into good land again. They want to bring water to the deserts, so people can live and grow food. Th
16、ey are learning a lot about the deserts. But more and more of the earth is becoming deserts all the time. Scientists may not be able to change the desert in time.Why is more and more land becoming deserts? Scientists think that people make deserts. People are doing bad things to the earth.Some place
17、s on the earth dont get much rain. But they still dont become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry places. Plants dont let the hot sun make the earth even drier. Plants dont let the wind blow the dirt away. When a little
18、 bit of rain falls, the plants hold the water. Without plants, the land can become a desert much more easily.( ) 1. Deserts _.A. get very little rain B. never have any plants or animals in themC. can all be turned into good land in the future D. both A and C( ) 2. Small green plants are very importa
19、nt to dry places because _.A. they dont let the sun make the earth even drierB. they dont let the wind blow the earth awayC. they hold the water D. A, B and C( ) 3. Land is becoming deserts little by little because _.A. plants cant grow there B. theres not enough rainC. people are doing bad things t
20、o the earth. D. scientists know little about deserts( )4. Which is the main idea of the first paragraph?A. Scientists know how to change land into good land.B. Land is becoming deserts faster than scientists can change it back into good land.C. If scientists can bring water to the desert, people can
21、 live there.D. More and more places are becoming deserts all the time.( ) 5. After reading this, we learn that _.A. plants can keep dry land from becoming deserts.B. it is good to get rid of (清除) the grass in the desertC. all places without much rain will become desertsD. it is better to grow crops
22、on dry land than to grow grass 六、短文填空。Here is a useful and interesting computer game. Let me tell you how to play it. - 5 -The game is called Draw Something. It needs two players to work t 1 . One draws a picture and the 2 guesses what it is.The game gives you three w 3 each time. Then you choose on
23、e to draw. Some are easy but some are difficult. For example, it is much e 4 to draw a moon than a cat. If your partner guesses the word c 5 , you both will get one to three “coins”. Coins are very u 6 . The more pictures he guesses correctly, the m 7 coins you both will get. If you cant draw any of
24、 the words, you can use a “bomb”(炸弹) to get three new words. Of course, the bombs are not f 8 . You need to buy them with the coins.This game can help you remember English words and p 9 drawing pictures. But youd better not s 10 too much time on it. It will be bad for your eyes.1. _ 2. _ 3. _ 4. _ 5
25、. _6. _ 7. _ 8. _ 9. _ 10. _七、任务型阅读Never go into a supermarket hungry! This is a good piece of advice. If you go shopping for food before lunchtime, it is possible for you to buy more than you plan to. However, just this advice isnt enough for people these days. Modern shoppers need an education in
26、how and how not to buy things at the shop. First, you check the weekly newspaper ads. Find out the things that are on sale and decide if you really need these things. In other words, dont buy anything just because its cheaper than usual!Another suggestion for customers is to buy ordinary(普通的) things
27、 instead of famous brands(品牌 ). These products are cheaper because producers spend less money on packing or advertising. The quality, however, is usually as good as the quality of well-known brands.Wise（明智的）customers read magazine advertisements and watch TV, but they do this with one advantage: kno
28、wledge of the psychology（心理学）behind the advertisements. In other words, they ask themselves questions: Is the producer hiding something at the bottom of the page? Is there any real information in the advertisements? Maybe they didnt tell the truth. With the answers to these questions, people can mak
29、e a wise choice.Main topic: Suggestions for _1_Suggestions Reasons for the suggestionsNever go into a supermarket when you _2_hungry!It is _3 to buy more than you plan to.Need an education in how and how not to buy things at the 4 .Consumers can 5 a wise choice.Buy ordinary things 6 of famous brands
30、.The _7_ of ordinary things are lower because producers spend _8 _money on packingRead advertisements with _9_of the psychology behind the ads.Advertisements sometimes dont tell the _10_1._ 2._3._ 4._ 5._6._ 7._ 8._ 9._ 10._- 6 -课后拓展参考答案：一、1.pieces 2. scissors 3. sentence 4.paint 5.Dont 6. Be 7. Giv
31、e 8.Dont let 9.not make 10.give 11. Dont let 12. not miss二、 15 ACBBC 6-10 ACBAC 1112 DD三、1.should not 2.Wait for 3.Give me 4.Dont swim 5. shouldnt help四、1.clean tidy 2.spend too much time 3.Dont write 4. shouldnt drink 5. not tell 五、1-5 DDCBA七、1.shoppers 2.are 3. possible 4.shop 5.make6.instead 7. price 8.less 9.knowledge 10.truth
