新概念英语第一册29课-PPT课件.ppt

1、就近原则：以离就近原则：以离be 动词最近的名词为准动词最近的名词为准1. There _ (be) a book and two pencils on the desk.2. There _ (be) some books and a pencil on the desk.3. There _ (be) some boys in the classroom.4. There _ (be) a girl and some boys in the classroom.5. There _ (be) an apple and three bananas in the bag.isisisarear

2、e Do you have a bedroom？ Do you often clean it? If you dont clean it every day, it will be very dirty, very untidy. So you must clean your own room everyday. What must we do? First ,open the room and air the room. Then put your clothes in the wardrobe. Then make the bed. Dust the dressing table. The

3、n sweep the floor. Your room will be clean and tidy.bedroomThis bedroom is very tidy.Lead-in:bedroomThis bedroom is very untidy.Lesson 29Come in,Amy!New words and expressions: shut t V. 关门关门 bedroombedrm n.卧室卧室 untidy ntad adj.乱，不整齐乱，不整齐 must mst （ 情态动词）必须情态动词）必须 open p()n v. 打开打开 air e v. 使使通风通风 pu

4、t pt v. 放置放置 clothes kl()z n. 衣服衣服 wardrobewdrb n.衣柜衣柜 dust dst v.掸掉灰尘掸掉灰尘 sweep swip v.扫扫 then en adv.然后然后Q1: Is this room clean or untidy?Q2: Which word has the same meaning of “close”Come in, Amy.MRS.JONES: Come in ,Amy . 祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示命令、请求、劝告、警告、禁用于表示命令、请求、劝告、警告、禁止等止等Shu

5、t the door, please.MRS.JONES: shut the door , please. 祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示命令、请求、劝告、警告、禁用于表示命令、请求、劝告、警告、禁止等止等the door,名词，做名词，做shut的宾语。的宾语。This bedrooms very untidy.tidy adj.整齐的，整洁的整齐的，整洁的This bedrooms very untidy.指示代词作定语，修饰指示代词作定语，修饰bedroom .bedroom is 形容词做表语形容词做表语un-前缀，表示否定，前缀，表示否定

6、，“不不”happy-unhappy 不幸福的不幸福的lucky-unlucky 不幸的不幸的What must I do, Mrs. Jones?What must I do，Mrs. Jones?must情态动词情态动词“必须必须”，后接动词原形，后接动词原形感受两个句子的语气：你吃饭。感受两个句子的语气：你吃饭。 你必须吃饭。你必须吃饭。哪个句子让人感觉有命令的语气？哪个句子让人感觉有命令的语气？哪个词增加了动词吃的情态语气？哪个词增加了动词吃的情态语气？ must像这样增加动词情态语气的词就叫情态助动词像这样增加动词情态语气的词就叫情态助动词Open the window and ai

7、r the room.Open the window and air the room1祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示用于表示命令、请求、劝告、警告、禁止等命令、请求、劝告、警告、禁止等名词，做宾语名词，做宾语然后然后Then put these clothes in the wardrobe.Then put the clothes in the wardrobe2祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示用于表示命令、请求、劝告、警告、禁止等命令、请求、劝告、警告、禁止等the clothes ,put的宾语。

8、动作的对象。的宾语。动作的对象。put sth.+介词短语，把介词短语，把.放在放在.Then make the bed.Then make the bed3祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示用于表示命令、请求、劝告、警告、禁止等命令、请求、劝告、警告、禁止等铺床铺床宾语宾语Dust the dressing table.Dust the dressing table4祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示用于表示命令、请求、劝告、警告、禁止等命令、请求、劝告、警告、禁止等名词，做名词，做dust 的宾语。的宾语。

9、Then sweep the floor.5祈使句，省略主语祈使句，省略主语you,动词原形开头，动词原形开头，用于表示用于表示命令、请求、劝告、警告、禁止等命令、请求、劝告、警告、禁止等the floor 名词，做名词，做sweep 的宾语。的宾语。Then sweep the floor.How can we get a clean bedroom?A Then make the bed. B Dust the dressing table. C Open the window and air the room. E Then put these clothes in the wardro

10、be. D Then sweep the floor. Then make the bed. Dust the dressing table. Open the window and air the room. Then put these clothes in the wardrobe. Then sweep the floor. open the windowair the roomput the clothes in the wardorbemake the beddust the dressing tablesweep the floor1.Is this Mrs. Joness li

11、ving room? 2. Is this Mrs. Joness bedroom?No, it isnt.Yes, it is.3. Is Amy in the bed room?4. Are those clothes in the wardrobe?Yes, she is.No, they arent.5. Is the dressing table dirty?6. Is the floor clean?Yes, it is.No, it isnt.7. Is the door open?No, it isnt.Come in ,please.Shut the door, please

12、.Open the window.Air the room.Put the clothes in the wardrobe.Make the bed.Dust the dressing table.Sweep the floor.一、祈使句的定义一、祈使句的定义 用于表示命令、请求、用于表示命令、请求、劝告、警告、禁止等的句劝告、警告、禁止等的句子叫做祈使句。子叫做祈使句。二、祈使句的构成二、祈使句的构成 祈使句是由动词原形开头，祈使句是由动词原形开头，可以在句首或句末加可以在句首或句末加please,please,在句尾加在句尾加pleaseplease时，时，pleaseplease前要加

13、前要加“，”祈使句的句末用感叹号或祈使句的句末用感叹号或句号，朗读时用降调。句号，朗读时用降调。Dont shut the door, please.Dont open the window.Dont air the room.Dont put the clothes in the wardrobe.Dont make the bed.Dont dust the dressing table.Dont sweep the floor.祈使句的构成祈使句的构成 ：祈使句的肯定形式是由动：祈使句的肯定形式是由动词原形开头，否定形式是在动词原形之词原形开头，否定形式是在动词原形之前加前加dont。

14、祈使句，祈使句，请求、命令或建议。祈使句，祈使句，请求、命令或建议。 主语是主语是youyou常省去，动词原形开头记。常省去，动词原形开头记。 否定形式要注意，句首否定形式要注意，句首DontDont牢牢记。牢牢记。 要讲客气要讲客气pleaseplease，句首句末没关系。，句首句末没关系。Mrs. Jones: Come in , Amy. Shut the door, please. This bedroom is very untidyAmy: What must I do, Mrs. Jones?Mrs. Jones: Open the window and air the room

15、. Then put the clothes in the wardrobe. Then make the bed. Dust the dressing table. Then sweep the floor. 名词做宾语名词做宾语Mrs. Jones: Come in , Amy. Shut the door, please. This bedroom is very untidyAmy: What must I do, Mrs. Jones?Mrs. Jones: Open the window and air the room. Then put the clothes in the w

16、ardrobe. Then make the bed. Dust the dressing table. Then sweep the floor. must的用法：的用法：1、must是情态动词。是情态动词。2、表示必须，不得不做的事情。、表示必须，不得不做的事情。 同时也可以表示不可推卸的责同时也可以表示不可推卸的责 任。任。3、must后面要加动词原型。后面要加动词原型。 must do （sth）1. come in2. shut the door = close the door3. What must I do?4. air the room5. put in6. make the

17、 bed7. dust the dressing table1.1.进来进来2.2.关门关门3.3.我应该做什么？我应该做什么？4.4.给房间通通风给房间通通风5.5.把把放进放进里里6.6.整理床铺整理床铺7.7.掸掉梳妆台上的灰尘掸掉梳妆台上的灰尘1. come in2. shut the door = close the door3. What must I do?4. air the room5. put. in6. make the bed7. dust the dressing table1.1.进来进来2.2.关门关门3.3.我应该做什么？我应该做什么？4.4.给房间通通风给房间

18、通通风5.5.把把放进放进里里6.6.整理床铺整理床铺7.7.掸掉梳妆台上的灰尘掸掉梳妆台上的灰尘用所给词的适当形式填空用所给词的适当形式填空1._(come )in, Amy .2._(shut) the door ,please.3.You must_(open) the window.4.What must I _(do)?Comeshutopendo说明下列划线单词的词性，汉译和成份说明下列划线单词的词性，汉译和成份These knives are sharp .You must sharpen these pencils.This glass is empty.You must empty the glass.1.Open the door.2.Close the window.3.Turn on the radio.变成否定句Dont open the window.Dont close the window.Dont turn on the radio.