肯定祈使句和否定祈使句講解與練習(xí)

1、_高一升高二講義Lesson Four一、自測(cè)單詞和短語(yǔ)（漢譯英、英譯漢）昂貴的 _Forest_導(dǎo)游；向?qū)?_Shout to_總的來(lái)說(shuō) _In the countryside _對(duì) .感興趣 _Fire station _博物館 _play the piano _自然的 _bring good luck to _打羽毛球 _be popular with _熬夜 _around the world _語(yǔ)言 _be different from _放風(fēng)箏 _in the end _吃驚 _would like _上上下下；起伏 _special _把 .弄醒 _describe _逃跑；跑開(kāi)

2、 _criminal _搭起；舉起 _(be) of medium height _二、語(yǔ)法祈使句1. 祈使句的概念精品資料_祈使句是一種表達(dá)感情色彩如勸告、叮囑、請(qǐng)求或命令等的句子。因此，祈使句的主語(yǔ)是 you ，但要省略。在表達(dá)請(qǐng)求或勸告時(shí)，在祈使句前或句末可加上please ，以使句子的語(yǔ)氣更加緩和或客氣。例如：停！ _請(qǐng)幫幫我！_2. 肯定祈使句1）Do 型， do 指代一切動(dòng)詞的原形如：過(guò)得愉快！ _停止！ _聽(tīng)媽媽的話！ _2） Be 型，以 Be 開(kāi)頭如：保持安靜！ _小心！ _3）Let 型，固定句型： Let sb. do sth.讓某人做某事如：讓我?guī)椭悖?_讓他去吧！

3、_3. 否定祈使句1） Do 型，在句首直接加Don t.如： Speak! _Run! _2）Be 型，在句首直接加Don t.精品資料_如： Be lazy! _3） Let 型，有兩種結(jié)構(gòu)：Don tlet sb. do sth.Let sb. not do sth.如： Let him call me. _/_4）No 型，有兩種結(jié)構(gòu)：No+ 名詞 No+ 動(dòng)詞 ing如：不要拍照！ _/ _不要吸煙！ _/ _練習(xí) 1：將以下祈使句改為否定式：1. Come here early.2. Ask him.3. Please wait for her.4. Read the book c

4、arefully.5. Sit under the tree, please.6. Let s go there together.練習(xí) 2：用括號(hào)內(nèi)所給動(dòng)詞的適當(dāng)形式填空。1. It s an important meeting. _ (not, be )late.2. _ (not,make) any noise! Your mother is sleeping.3. _ (not, speak) with your mouth full of food and _ (be) polite.4. _ ( not, talk) and _ (read) aloud.5. _ (not,lea

5、ve) your homework for tomorrow, Larry.精品資料_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.練習(xí) 3：把下列句子變成祈使句。1.You must arrive on time

6、._2.You can help your sister._3.You have to keep quiet._4. You can tstop him. _5. You mustn teat in class. _三、經(jīng)典段落背誦Dear Jane,How s your summer vacation going? Are you studying hard, or are you having fun? Imhaving a great time in Europe! My family and I are on a vacation in the mountains. Iwant to call you but my phone isntworking, so I m writing to you.Dave四、作業(yè)1. 及時(shí)復(fù)習(xí)今天的知識(shí)，并用肯定祈使句寫(xiě)五個(gè)