1、 = Take care! 小心 / 当心!(3)Lets + 动词原形(let是让的意思,属于使役动词。使役动词let/have /make的用法都是后跟 sb + do形式) Lets go to school together. 咱们一起上学去吧。2. 否定的祈使句(1) Dont + 动词原形 Dont stand up. 别站起来。t be careless. 别粗心。t let them play with fire. 别让他们玩火。=Let them not play with fire(2)Lets ( let sb ) + not + 动词原形 Lets not say an
2、ything about it. 对于这件事,咱们什么也别说。 Let them not play with fire. 别让他们玩火。3.祈使句的反意疑问句(1) 肯定祈使句的反意疑问句反问部分用will you 或wont you。 Please open the door, will/ wont you? 请把门打开,好吗?(2) 否定祈使句的反意疑问句反问部分只用will you。 Dont be late again, will you? 别再迟到了,行不行?(3) 以lets开头的祈使句反意疑问句反问部分用shall we。s turn on the TV, shall we? 我
3、们把电视打开,好吗? 只有以lets开头的祈使句的反意疑问句的反问部分才用shall we,而let us 开头的祈使句的反意疑问句的反问部分应为will you或wont you.如:Let us stay here, will/ wont you? 请(你)让我们留在这好吗?语法练兵场单项选择1. The TV is too loud. Please_. A. turn it down B. to turn it down C. turn down it D. to turn down it2. _ late again, Bill! A. Dont to be B. Dont be C.
4、 Not be D. Be not3. _ cross the road until the traffic lights turn green. A. Not B. Wont C. Doesnt D. Dont4. Please help me carry it, _? A. will I B. will you C. shall I D. shall we5. Dont make so much noise, _? A. will you B. wont you C. shall we D. do you6. Do you know the girl _under the tree? A.
5、 stand B. to stand C. standing D. stood7. Kate, _ your homework here tomorrow. A. bring B. brings C. to bring D. bringing8. _ me the truth, or Ill be angry. A. Telling B. To tell C. Told D. Tell9. Ive kept the dog _Maomao for a long time. A. Name B. named C. naming D. to name10. Dont you know that _
6、 is good for our health? A. swim B. swimming C. swam D. swims句型转换11. Will you please read it again more slowly? (改为祈使句) _ _ again more slowly, please.12. If you dont listen to me, Ill go. (改为同义句) _ _ me, or Ill go.13. Lets watch the sports games. (改为反意疑问句) Lets watch the sports games, _ _?14. The teachers often tell the students not to be careless. (改为祈使句)_ _careless, please.15Let us go and help the _ _, please.
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