新概念英语第一册Lesson-2930课件-2.ppt

1、There is+There is+a/an+a/an+单数可数名单数可数名词词some+some+不可数名词不可数名词+介词短语介词短语There beThere be(复数复数)There areThere are+some/+some/数字数字+可数名词复数可数名词复数 +介词短语介词短语There beThere be(单数单数)ReviewReview1.There is an electric cooker in the kitchen.1.There is an electric cooker in the kitchen.2.There is a refrigerator in

2、 the kitchen.2.There is a refrigerator in the kitchen.3.There are some plates on the cooker.3.There are some plates on the cooker.4.There are some trousers on the bed.4.There are some trousers on the bed.将下列句子变成否定句及一般疑问句，并做出将下列句子变成否定句及一般疑问句，并做出肯定及否定回答。肯定及否定回答。关门关门卧室卧室不整齐不整齐必须，应该必须，应该打开打开使使通风，换换通风，换换

3、空气空气放置放置衣服衣服大衣柜大衣柜掸掉灰尘掸掉灰尘打扫打扫shut bedroom untidymust open air put clothes wardrobe sweep dust 1.1.untidyuntidy adj.adj.乱，不整齐乱，不整齐 构词法：构词法：un+tidy=untidyun+tidy=untidy unun为否定前缀为否定前缀 e.g.e.g.happy-happy-ununhappyhappy2.2.must must 必须必须 ，应该，应该(情态动词情态动词)用法：用法：must+must+动词原形动词原形 (must(must没有没有人称人称和和数数的

4、变化的变化)e.g.e.g.You You must shutmust shut the door.the door.（表示义务（表示义务/命令命令/必要）必要）3.3.air air v.v.使通风，换换空气使通风，换换空气 e.g.e.g.Please Please openopen the window and the window and airair the room.the room.n.n.空气空气/天空天空(不可数不可数)e.g.e.g.Birds fly in the air.Birds fly in the air.4.4.putput v.v.放置放置 短语：短语：put

5、 put in in.(把把放进放进)e.g.e.g.Put the apple in my bag.Put the apple in my bag.1.Are you a lazy(懒惰的懒惰的)kid?2.How do you clean your bedroom?3.What must I do if I want to clean my bedroom?How must Amy clean the floor?untidyThis bedrooms very untidy.What must I do?Open the window and air the room1put the c

6、lothes in the wardrobe2make the bed3dust the dressing table4sweep the floor5shutopen air put dust sweep make the door the windowthe room the clothes in the wardrobe the bed the dressing table the floor 铺床 掸掉梳妆台上的灰尘扫地关门开窗户给房间通风把衣服放进衣柜里What must I do?This bedrooms very untidy.This bedrooms very clean.

7、How can we get a clean bedroom?open the windowair the roomput the clothes in the wardorbemake the beddust the dressing tablesweep the floormust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）Lesson 30 What must I do?我应该做什么？我应该

8、做什么？Open Shut yourhandbagbookPut onTake offyourclothesshoesTurn onTurn offthelightrefrigeratorSweep thefloorkitchenClean thecarwindowDust thedressingtabletableEmpty thecupbottleRead thisnewspapermagazineSharpen thesepencils1.用于表达命令、请求、用于表达命令、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。2.祈使句最常用于表达命祈使句最常用于表达命令。令。祈使句：祈使句：如：如：Open the book；Go out；Come inHomework：1、每天听磁带三十分钟。预习、每天听磁带三十分钟。预习Lesson3132，熟读课文。，熟读课文。2、抄写、抄写Lesson2930单词，一个四单词，一个四遍，汉语一遍。遍，汉语一遍。3、听写、听写Lesson2930单词，家长签单词，家长签字。字。2012年年3月月18日日