新概念第一册29-30课PPT课件

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C 1 .It is dark outside. Please the lights. A open B. close C. tBurn on D. turn off 2. It is cold outside. please. A. Open the window B. Come in C. Turn on the light D .Take off your coat 3. There are many things on the bed . Please makeB bed. A. a B. the C. an D./ 4.Therea_re___some books on the desk.(be) 5.There aren’t _a_n_y_pictures on the wall. (some)
window? 疑：Must I open the window?
Yes, you must.
No, you needn't
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祈使句
祈使句：无主语，主语you 常省去，动 词原形当谓语，句首加don’t变否定。
特点1： “动词”原型开头
特点2：否定句在句首加don’t
特点3：针对第二人称YOU
This bedroom's very clean.
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• ★untidy adj. 乱，不整齐 • un-前缀，表示否定；tidy
adj. 整齐的，干净的 • happy——unhappy 不幸
福的 • lucky——unlucky 不幸的
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shut v. 关门 [ʃʌt] open v. 打开
This bedroom is very tidy.
bedroom
Lead-in:
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bedroom This bedroom is very ue Talk
1.Are you a lazy(懒惰的) kid?
2.How do you clean your bedroom?
What must I do, Mrs. Jones?
Open the win祈do使w句a，nd祈a使ir 句th，e r请oo求m、. 命令或建议。 Then put these clothes in the wardrobe.
主语是you常省去，动词原形开头记。 Then make the bed. Dust the d否re定ss形in式g要ta注bl意e. ，句首Don’t牢牢记。
3.What must I do if I want to clean my bedroom?
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Shut the door
untidy
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Open the window
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Dust
Lesson 29 Come in,Amy!
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How must Amy clean the floor?
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What must I do?
put the clothes in the wardorbe make the bed
dust the dressing table
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sweep the floor
Come in, Amy. Shut the door, please.
祈使句
This bedroom’s very untidy.
2.Close the window.
Don’t close the window.
3.Turn on the radio.
Don’t turn on the radio.
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Please put on your coat.(否定句）
Please don’t put on your coat.
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[swi:p]
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bedroom 卧室['bedrum, -ru:m
What’s in your bedroom?
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There is a chair in the_b_e_d_ro_o_m.
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untidy
不整齐
[ʌn'ta di]
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untidy
This bedroom's. very untidy. 16
Open the window and air the room.
Then put these clothes in the wardrobe.
Then make the bed. Dust the dressing table.
Then sweep the floor..
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open the window air the room
open the door shut the door
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air
使…通风
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clothes
衣服 服装
[kləuðz]
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wardrobe 衣柜
['wɔ:drə b] .
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dust
掸掉灰尘
[dʌst]
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sweep 扫地
[swi:p]
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What must I do?
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Come in, Amy. Shut the door, please.
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1
Open the window and air the room
['əupən]
.
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2
put these clothes[kləuðz] in the wardrobe['wɔ:drə b
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3 make the bed
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4
[dʌst]
dust the dre.ssing table 11
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This bedroom’s very untidy.
What must I do, Mrs. Jones?
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Open the window and air the room. Then put these clothes in the wardrobe.
Then make the bed.
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must的用法： 1、must是情态动词。 2、表示必须，不得不做的事情。
同时也可以表示不可推卸的责 任。 3、must后面要加动词原型。
must do （sth）
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• You must…（你必须……） • 表示说话人说/认为……是必
要的。 肯：You must open the window. 否： You mustn't open the
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Dust the dressing table. Then sweep the floor.
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A Then make the bed. B Dust the dressing table. C Open the window and air the room. D Then sweep the floor. E Then put these clothes in the wardrobe.
Then swe要ep讲th客e气floploer.ase，句首句末没关系。
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祈使句：1.用于表达命令、请求、 劝告、警告、禁止等的句 子叫做祈使句。 2.祈使句最常用于表达命 令。
如：Open the book；Go out；Come in
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变成否定句
1.Open the door.
Don’t open the window.