1、祈使句1.Turn left!Guessing Game2Turn right!Guessing Game3.Please park here！Guessing Game4.Guessing GameDont smoke!No smoking!5Guessing GameDont play football here!6Guessing GameDont park your car here!7Guessing GamePlease dont eat here!8Guessing GameDont pick the flowers!9 Go upstairs!Guessing Game10.G
2、uessing Game Go downstairs!11.Read and observe(观察观察)Turn left!Turn right!Go upstairs!Go downstairs!Please park here!Dont smoke!Dont play football here!Dont park your car!Please dont eat here!Dont pick the flowers!12.Draw the conclusion(得出结论得出结论)祈使句的结构如下：祈使句的结构如下：(Please)+do sth.(Please)+dont do sth.
3、肯定：肯定：否定否定：祈使句祈使句 :是表示请求、命令、建议等是表示请求、命令、建议等句子，只用一般现在时。通常说话的句子，只用一般现在时。通常说话的对象是第二人称对象是第二人称you,you常被省略。常被省略。13祈使句的句型：祈使句的句型：Be quiet.Please have a seat.David,pay attention.Dont be afraid.Please do not make a noise.Alan,dont be late.1.动原动原2.Please+动原动原 3.人名，人名，+动原动原肯肯定定否否定定在动词原型在动词原型前面加前面加dont否定否定14Let
4、s do exercise.151.Jim,_ me a hand.A.gives B.is giving C.will give D.give2._ careful,Jenny!There is a tree in front of you.A.Am B./C.Be D.Was163._ let anyone open the door.A.Dont B.Will C.Not D.No4.Dont be late again.Sorry,_.A.I may B.I must C.I will D.I wont5.Call me when you get home.OK,_.A.I must
5、B.I can C.I will D.I may17祈使句祈使句 祈使句祈使句,无主语无主语,只用动词就可以只用动词就可以.表示请求或命令表示请求或命令,加上加上please表客表客气。气。如果变成否定句，如果变成否定句，Dont开头是规开头是规律。律。肯定回答肯定回答I will,否定回答否定回答 I wont.18in class Can you talk about the rules with Imperative sentences?19.in class1.Be quiet.2.Please take notes.3.Listen to the teacher carefully.4.Dont eat in class.20.21.
