祈使句 定义：表示请求、命令、劝告、禁止等的句子叫作祈使句。 读祈使句时一般用降调，句末用句号或感叹号。 结构： 肯定祈使句 ①Do型：动词原形+其他. ②Be型：Be+形容词/名词+其他. ③Let型：Let+宾语+动词原形+其他. 否定祈使句 ①Don’t +动词原形+其他. ②Don’t be +形容词+其他. ③No+名词/动词-ing. 注意：Let 型祈使句否定式：可在let前加don't,也可在let后宾格的后面加not。 例：Don't let her know that.=Let her not know that. 如果是以let's开头的祈使句，必须在let's后加not。 例：Let’s not talk in the library. 3.祈使句解题技巧： 闽教最常考的是Do型和let型祈使句，祈使句无人称和数的变化，后接动词原形。 牛刀小试 用正确形式填空。 Please (come) to my birthday party. 2．Let’s (buy) a present. 3．Now (draw) two eyes. 4． (touch) your face.. 5． (Put) on your T-shirt. 6．Now (look) at the blackboard. 7．Let’s (go) to the park. 8． (have) some potatoes,please. 9． (get) into the car,kids. 10.Please (turn) off the lights and fans. 11.Don’t (worry) . 12.Don’t be (late) again. 13． (Take) an umbrella with you. 14． (say) “Happy Teachers’Day” to her,please. 15.Let me (help) you. 单项选择。 （ ）1. Please _____ me about it. A. tells B. tell C. to tell （ ）2. _____ down,kids. Sitting B. Sits C. Sit （ ）3. Let me_____ the classroom. cleaning B. clean C. cleans （ ）4. Don’t _____ . A. be afraid B. to be afraid C. being afraid （ ）5. Let’s _____and a look . go;have B. goes;have C. goes;has （ ）6. Boys and girls,_____ the new words five times. writing B. writes C. write （ ）7 Kate,_____ me a basket. bring B. to bring C. brings （ ）8. _____ me the photo,please. cleaning B. clean C. cleans （ ）9. -Let’s give her a surprise.- . Good idea. B. Here you are. C. Sorry. （ ）10. -Don’t talk here.- . OK. B.Sorry,I won’t. C. Good idea. （ ）11. -Open your mouth and say “A”.- . OK. B. Sorry. C. Thank you. （ ）12. Put_____ in the washing machine. they B. them C. their （ ）13. Let_____ carry it. I B. my C. me （ ）14. Let_____ begin. us B. we C. our （ ）15. _____ me the corn,please. Pass B. Passing C. Passes
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