Close the door, please. 请关门。
祈使句的否定句式
肯定祈使句如何变成否定祈使句：在动词原形前
加don’t：
Don’t shut the door. 不要关门。
Don’t eat.
不准吃。
不要喝水。
Don’t drink some water.

不要开窗。
Don’t open the window.
• 2.The box is full. Please ____e_m(epmtypty) it. • 3._D_o___ not ___c_le_a(cnlean) the refrigerator. • 4.This bedroom is not clean. It is very ____u_n(ttiiddyy).. • 5._W__h_o_s_e(who) chairs are near the table? • 6.Give those ___c_h_il_d_re_n_( child) these ice creams. • 7.Are your friends __t_o_u_r_is_t_s ( tourist)? • 8.How are those_h__o_u_se_w__iv(hesousewife)? • 9.Are __t_h_e_s_e__ (this) black umbrellas？ • 10.Is this shirt ___T_im__’s__( Tim)?
the
lamp
[læ mp]
television
What must I do?
{ Sweep the
floor kitchen
What must I do?
{ Clean the
car window
What must I do?
{ Dust the
dressing table
shelves
What must I do?
不要坐下。
Don’t sit down.
二 将下列句子变为否定句。
• 1.Put the clothes in the wardrobe. __D_o_n_’t___p_u_t the clothes in the __w_a_r_d_r.obe
• 2.Dust the dressing table. _D_o_n_’_t_ ___d_u_s_t __th_e_ dressing table.
1）肯定句
2）否定句：主语+mustn’t+动词原形 你不应该关门。 You mustn’t shut the door.
一般疑问句：Must+主语+动词原形 我应该关门吗？ Must I shut the door? 肯定回答： Yes, you must. 否定回答： No, you needn’t.
• ( )4.What must Amy ____?
•
A A.do B.does C.doing D.to do
• ( )5.Give your book ____ him, please.
• B A.in B.to C.at D.on
四、 用所给词的正确形式填空
• 1. You must _s_h_a_r_p(eshnarp) these knives. They are very blunt.
___d_u_s_t_____the dressing table
___s_w_e_e_p____the floor
Practice1
1. If the room smells, you should ___________________. 2.oIpfetnhteheflowoinrdioswvearnyd uainrttihdeyr,oyoomu should _______________. 3. If the clothes are all over the table, you
Lesson 30 What must I do?
我应该做什么？
empty v.倒空,使…变空 read v.读
sharpen v.削尖，使锋利 put on 穿上 take off 脱掉
turn on 开 turn off 关
empty read sharpen put on take off turn on turn off
• 打开灯. T_u_r_n_o_n__th_e__lamp. • 穿上你的鞋__P_u_t_o_n__y_o_u_r _sh_o_e_s_.___
三、选择题。
• ( C)1.The door is open. You must ____ it.
•
A. open B. opens C. shut D. shuts
. air [eə] v. 给...通风 air the room 给房间通风 open the window and air the room 开窗给房间通风 air n. 空气 干净的空气
clean air
4. clothes [kləʊðz] n.衣服 wardrobe ['wɔ:drəʊb] n.衣柜 put [pʊt] V. 放置
这间卧室很整洁。 This bedroom is tidy.
untidy adj. 乱，不整齐
un-前缀，表示否定 这间卧室不整齐。 This bedroom is untidy.
tidy--untidy happy开心的--unhappy lucky幸运的--unlucky kind友好的--unkind
倒空使….变空 读 削尖，使锋利 穿上 脱掉 开（点灯） 关（电灯）
What must I do?
handbag
{ Open
Shut
your
book
What must I do?
{ Put on your
Take off
shirt
shoes
What must I do?
{ Turn
Turn
on off
• ( B)2.Don’t put on this watch. ______.
•
A.Take off it B.Take it off
•
C.Put it on D.Put on it
• (A)3.That’s ____ nice car and ____colour is nice,too.
•
A.a , its B.a , it’s C.one , it D.an , its
看图猜成语
大合集
拈 花 惹 草
人 高 马 大
珠 光 宝 气
驴 唇 马 嘴
黄 袍 加 身
点 到 为 止
东 倒 西 歪
好 逸 恶 劳
闻 鸡 起 舞
半 夜 三 更
刀 下 留 人
• Listen to the text, and answer the question.
+3
o
+3
must
open
air
-2
-1
-2
put
clothes wardrobe
-1
+2
0
dust
sweep must
+4
+3
+1
1. shut [ʃʌt] v. 关 = close V.关
shut / close the door 关门
3. tidy ['taɪdɪ] adj. 整齐的，干净的
shsowueldep__t_h_e_f_lo_o__r _____. 4. If the bed is very untidy， you should______________. 5. If you are pguotintghetomgionsthhoepwpainrgd,royobue should________ the
{ Empty the
cup bottle
What must I do?
{ Read this
newspaper magazine
What must I do? Sharpen these
pencils
一. 翻译下列句子。
• 整理床铺。___M_a_k_e_t_h_e_b_e_d_._____
put the clothes in the wardrobe 把衣服放在橱柜里
5. dust [dʌst] v. 掸掉 n.灰尘 给梳妆台掸灰 dust the dressing table 给桌子擦灰 dust the table
6. sweep [swi:p]v. 扫
扫地 sweep the floor
五、句型转换。
1.Shut the door. (变同义句) _D__o_n_’t _c_lo_s_e_ the door. 2.This bedroom is tidy. (变为反义句) This bedroom is _u_n_ti_d.y 3.You must air the room. (变为同义祈使句) Ai_r____ the _ro_o_m___. 4_.AW_m_h_ye_rme_u_s_mt_pu_us_tt Athmeyse_c_l_pou_tt_h_esthinestheeclwotahrdesro?be.(对划线部分提问) 5. He must sweep the floor. (变为一般疑问句) M__u_st__ hes_w_e_e_p_ the floor? 6.You mustn’t clean the refrigerator.(变为同义句祈使句) _D_o_n_’_t __ __c_le_a_n___ the refrigerator. 7. We must clean the room. (就划线部分提问) __W__ha_t____ ___m_u_s_t__ we do?