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 2 3 4 5 cut (vt.) 过去式 cut sentence (n.) 句子（pl.）sentences on the other side of另一方面 put up a picture on the wall. 在墙上挂幅画 had better（not）do sth 最好（不要）什么 三、句型（语法） 1．Paint the walls blue. Please Paint the walls blue. Don’t paint the walls blue, please. 2．should (not) do sth. / had better(not) do sth. 3．Put so many books on the shelf
4．Cut out pieces of card with a pair of scissors.
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_______
【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 practiceⅠ
1. Free talk with students and present “Imperative sentence”. 2. Explain more about “Imperative sentence”. ( PPT ) 3. Finish the exercises on P47.
Step2. Presentation and practiceⅡ
1. 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. Homework
Finish 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： “Don’t + 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. It’s 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 = you’d better we had better = we’d better …
e.g. 你最好耐心点，这孩子只有一岁大。
_______ ______ be patient, the baby 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.
4. the first bus, he got up early this morning. (catch) 5. _____________ worried, your 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 shouldn’t ________ (give) up _______ (learn) English because it is very important. 9. Please write down all the ____________ you heard as much as 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. It’s time for class. _______ late again, Bill!
A. Don’t to be B. Don’t be C. Not be D. Don’t ( ) 2. Kate, _______ your homework here tomorrow.
A. bring B. brings C. take D. takes ( ) 3. ---You look tired. 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 sleep C. 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 won’t C. It doesn’t matter D. I know that ( ) 5. ---I have to get to the airport at 10:00, but it’s 9:20 now. ---_______! I can drive you there.
A. That’s a good idea B. Hurry up C. Don’t 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.You’d 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, you’ll die.（改为同义句）
__________ __________, or you’ll die.
2. Would you like to wait for a moment?(改为祈使句) ________ ______a moment, please.
3. You’d 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 won’t go for a picnic because of the rain, we’ll have lessons in the school instead. （改为同义句）
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 shouldn’t ________ ______ ______ ______with your pet every day. 3.不要在墙上写字。
_______ ______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。
We’d better_______ ______him the 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 shouldn’t ________ ________ __________ the shelf ___________.
8.我们最好不要告诉他这个消息。We’d 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. They 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 places on the earth don’t get much rain. But they still don’t become deserts. This is because some green plants are growing there. Small green plants and grass are very important to dry places. Plants don’t let the hot sun make the earth even drier. Plants don’t let the wind blow the dirt away. When a little 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 them
C. can all be turned into good land in the future D. both A and C
( ) 2. Small green plants are very important to dry places because ______________.
A. they don’t let the sun make the earth even drier B. they don’t let the wind blow the earth away C. they hold the water D. A, B and C
( ) 3. Land is becoming deserts little by little because ______________.
A. plants can’t grow there B. there’s not enough rain
C. people are doing bad things to 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 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 desert C. all places without much rain will become deserts
D. it is better to grow crops 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.