2.There is a refrigerator in the kitchen.
3.There are some plates on the cooker.
4.There are some trousers on the bed.
shut bedroom
untidy must
关门
卧室 不整齐 必须，应该
4. put v. 放置 短语：put … in…. (把…放进…)
e.g.
Put the apple in my bag.
1.Are you a lazy(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?
untidy
This bedroom's very untidy.
What must I do?
1
Open the window and air the room
2 put the clothes in the wardrobe
3 make the bed
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）
Lesson 30 What must I do?
我应该做什么？
{ห้องสมุดไป่ตู้Open
Shut
your
handbag
book
{ Put on your
2012年3月18日
sweep the floor
扫地
What must I do?
This bedroom's very untidy.
This bedroom's very clean.
How can we get a clean bedroom?
open the window air the room
put the clothes in the wardorbe make the bed dust the dressing table sweep the floor
Take off
clothes shoes
{ Turn
Turn
on off
the
light
refrigerator
{ Sweep the
floor kitchen
{ Clean the
car window
{ Dust the
dressing table
table
{ Empty the
cup bottle
open air
打开
使…通风，换换 空气
put clothes wardrobe
放置 衣服 大衣柜
dust sweep
掸掉灰尘 打扫
1. untidy adj. 乱，不整齐
构词法：
un + tidy=untidy un为否定前缀
e.g. happy----unhappy
2. must 必须 ，应该(情态动词)
{ Read
this
newspaper magazine
Sharpen these
pencils
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
Homework：
1、每天听磁带三十分钟。预习 Lesson31~32，熟读课文。 2、抄写Lesson29~30单词，一个四 遍，汉语一遍。 3、听写Lesson29~30单词，家长签 字。
Review
There be (单数)
①
a/an +单数可数名词
There is +
②
+ 介词短语
some + 不可数名词
There be (复数)
There are + some/数字+可数名词复数 +介词短语
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。
1.There is an electric cooker in the kitchen.
用法： must + 动词原形
(must没有人称和数的变化) e.g. You must shut the door. （表示义务/命令/必要）
3. air
v. 使～通风，换换空气
e.g.
Please open the window and air the room. n. 空气/天空(不可数)
e.g. Birds fly in the air.
4
dust the dressing table
5
shut the door
关门
open the window 开窗户
air the room
给房间通风
put the clothes in the wardrob把e 衣服放进衣柜里
make the bed
铺床
dust the dressing table掸掉梳妆台上的灰尘