Unit 4 Hands-on fun Grammer课件(共20张PPT，含内嵌视频)译林版（2024）英语八年级上册.pptxVIP

Grammar;Imperativesentence

祈使句;什么是祈使句？;祈使句有什么类型？;以动词原形开头,表示命令

Sitdown.

Bequiet.

Pleaseopenthedoor.;以Let开头,表示请求或建议

Letmehavealook.

Letsgohome！

Letsgoshopping！;以Dont开头，祈使句的否定形式

Donttouchthewire.

Dontfly!;以No开头,表示公告警示语，也是祈使句的否定形式

Nophotos!

Noparking!;LookatthepicturesandhelpMilliecompletethesentences.;3.apictureaboutthewordsorsentenceontheothersideofthecard.;用括号内所给词的正确形式填空。

1.(be)careful!Thebusiscoming.

2.It’stoocoldintheroom.(close)thedoor,please.

3.-Tom,it’stimeforclass.

-Ok,Let’s(go)

4.(notsmoke)here,Tony.Smokingisnotallowedinpublicplaces.

5.Don’t(be)afraidofmakingmistakesandjusthaveatry.

;shouldhadbetter;当我们给他人提建议时，可以用should和hadbetter表示“应该”或“最好”做某事,hadbetter的语气比should强一些。;hadbetter中的had常缩略为‘d

should的否定形式为：shouldnot/shouldn’t

hadbetter的否分形式为：hadbetternot;shoulddosth.应该做某事

shouldnotdosth.不应该做某事

hadbetterdosth.最好做某事

hadbetternotdosth.最好不要做某事;;Let’scheck;用括号内所给词的正确形式填空。

1.Youdbetter____________(go)atonce(立刻).

2.Youhadbetter_____________(notbegin)yourworkwithoutreadingtheinstructions.

3.We?should_____________(notwalk)onthegrass.

4.Weshould___________(offer)helptothepeopleinneed.

5.?You’dbetter__________(play)basketball?inthepark.It’sdangerous.

;Homework;

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