【文档说明】接力版英语四年级下册《Lesson 9 Be careful--简单祈使句的学习》PPT课件(共13页).ppt，共(13)页，662.500 KB，由小喜鸽上传

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简单祈使句的学习GuessingGameKeepslience!Bequiet!GuessingGameDon’tsmoke!Nosmoking!GuessingGameDon’tplayfootball!Guess

ingGameNoparking！GuessingGameDon’teat!GuessingGameDon’tpicktheflowers!祈使句:是表示请求、命令、建议等句子，通常说话的对象是第二人称you,you常被省略。

Readandobserve(观察)Bequiet！Becareful!Beclean!Keepslience!Standup!Comein!祈使句的句型：Be+形容词！动词原形+其他！变否定直接把Don’t放到句首！Don’tbelate!Don’tsmoke!Be!It’sdangerous

.Don’tthetree.Don’tthewire.It’sdangerous.It’sdangerous.Don’trun!Don’t.It’sdangerous.climb,careful,pla

ywithfire,touch,downstairsBecareful!It’sdangerous.Don’tclimbthetree.Don’ttouchthewire.(电线)Don’trundownstairs!Don’tplaywit

hfire.It’sdangerous.climb,careful,playwithfire,touch,downstairsBecareful,becareful.Don’trundownstairs.It’sdangerous.Don’tclimbthewindow.It’sdan

gerous.Don’tplaywithfire.It’sdangerous.Becareful,becareful.Thankyou!