1、祈使句祈使句Imperative sentence 祈使句的概述祈使句的概述 祈使句是用來表示請求，命令，勸告，建議等的句子。 祈使句習慣上常常省略主語，句末用感嘆號或是句號，朗讀時常用降調。祈使句的形式祈使句的形式 1.祈使句的肯定式 2.祈使句的否定式 3.祈使句的let式 4.祈使句的強調式 5.不含動詞的祈使句祈使句的肯定式祈使句的肯定式在祈使句的肯定式中，謂語動詞要使用原型。Look at the blackboard.Sit down please!Open the door please!Keep away from it!祈使句肯定式練習祈使句肯定式練習連詞成句1.TV, pl

2、ease, watch_2.please, clean, desks, chairs, and, the_3.apples, me, give, some_Please watch TV.Please clean the desks and the chairs.Give me some apples.祈使句的否定式祈使句的否定式祈使句的否定式中，謂語動詞用dont/never+動詞原形Dont worry.Never mind.Dont turn off the light!Dont play football on the road.祈使句否定式練習祈使句否定式練習將下列祈使句變?yōu)榉穸ㄊ健?/p>

3、1.Give me some apples.2.Open the window, please.3.Be quiet.4.Please watch TV.5.Run around the playground.祈使句的祈使句的let式式以let引導的祈使句，常用與一、三人稱，結構為：Let+人稱代詞（賓格）+動詞原形Let me see.Let me check.Lets go to the seaside.Lets go home.祈使句的祈使句的let式練習式練習 下面的句子是祈使句嗎？如果是請?zhí)頨不是請?zhí)頝. 1.Sit down, please. ( ) 2.You should do

4、 your homework carefully. ( ) 3.Let me have a look! ( ) 4.Lets go to the park! ( ) 5.Dont leave me alone. ( )YNYYY祈使句的強調式祈使句的強調式動詞前加do，表示強調。Do study hard at school.在學校一定要努力學習。Do come here on time.務必要準時來到這里。Do finish your homework.一定要完成你的作業(yè)。Do be quick.一定要快一點。不含動詞的祈使句不含動詞的祈使句由一個單詞、詞組或是短語組成的祈使句。Quick!

5、No smoking!No drinking!No talking!不含動詞的祈使句練習不含動詞的祈使句練習給下列標志選擇適當的英文標語No parking. No smoking. No fishing.No drinking. No photos. No swimming.一、用括號內所給動詞的適當形式填空。 1. _ (not, be )late. 2. _ (dust) the dressing table. 3. _ (not, speak) with your mouth full of food. 4. _ ( not, talk) and _ (read) a book. 5.

6、 _ (not,drop) the nice vase, Sam. 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. Open the window and _ (shut) the door. 10. Lets _ (sweep) the floor. 祈使句練習題Dont beDustDont speakDont talkreadDont dropLookGiveDont letshutsweep二、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 carefully.5. Sit under the tree, please.6. Lets go there together.祈使句練習題Dont come here early.Dont ask him.Please