初中英语祈使句讲解及练习.docx
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1、初中英语祈使句祈使句指的是表示命令、请求、建议或劝告的句子。其主语you 常省略,谓语动词用原形,句末用感叹号或句号,读降调。1. 肯定的祈使句(1)动词原形 +其他Stand up, please. = Please stand up.请起立。( 2) Be + n./adj.Be a good boy! 要做一个好孩子!(3) Let + 宾语+ 动词原形+ 其它成分Let me help you. 让我来帮你。Be careful! = Look out! = Take care!小心/ 当心!Let s go to school together.咱们一起上学去吧。2. 否定的祈使句(
2、1) Dont +动词原形Dont stand up. 别站起来。Dont be careless. 别粗心。Dont let them play with fire.别让他们玩火。(2) Let 型的否定式有两种:“ Dont + let +宾语+ 动词原形+ 其它成分”和“Let + 宾语+ not + 动词原形 + 其它成分” 。(3) no 开头 ,用来表示禁止性的祈使句。No smoking!禁止吸烟 !No fishing!禁止钓鱼!3. 祈使句的强调形式,通常在肯定祈使句式前加上助动词例如: Do shut up! 快住口!Do 。4. 祈使句的回答 祈使句的动作通常是表示将来发
3、生的动作,所以回答祈使句时,一般用 will 或 won t。在回答具有否定意义的祈使句时,要注意两点:1) 形式一致 (即 Yes 与 will 保持一致; No 与 won t 保持一致 )2) 意思相反 (即 Yes 是 “不”的意思; No 是 “是”的意思 )。在回答时,要注意分析上下文语境中所提供的条件。如:- Don t go out, please. It s raining heavily outside. 请不要出去。 外面雨下得很大。- Yes, I will. I have to meet my brother at the airport.不行,我得去机场接我弟弟。5
4、. 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/ won请把t门you?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。Lets turn on the TV , shall we? 我们把电视打开,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
5、问句的反问部分应为will you 或 wont you. 如:Let us stay here, will/ wontyou? 请(你)让我们留在这好吗?一 . 用括号内所给动词的适当形式填空。1. It s an important meeting. _ (not, be )late.2. _ (not,make) any nise! Your mother is sleeping.3. _ (not, speak) with your mouth full of food and _ (be) polite.4. _ ( not, talk) and _ (read) aloud.5.
6、_ (not,leave) your homework for tomorrow, Larry.6. _ (look) out! A car is coming.7. _ (give) us ten years and just see what our country will be like.8. _ (not, let) the baby cry.9. Wear more clothes or you _ (catch) a cold.10. Let s _ (not, say) anything about it.二、单项选择1.The TV is too loud. Please_.
7、A . turn it downB. to turn it downC. turn down itD. to turn down it2._ late again, Bill!A. Dont to beB. Dont beC. Not beD. Be not3._ cross the road until the traffic lights turn green.A. NotB. WontC. DoesntD .Dont4.Please help me carry it, _?A. will IB. will youC. shall ID. shall we5.Dont make so mu
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