人教PEP四年级上册Unit1MyclassroomPBLet'stalkWhat‘sintheclassroom?Wehaveanewclassroom.One...Wherearethey?Intheclassroom.Whataretheygoingtodo?他们要做什么呢？Let'swatch!A.Cleantheclassroom.B.Playagame.Istheclassroomclean?Whataretheygoingtodo?A.Cleantheclassroom.B.Playagame.No,itisn’t.干净的Whatcanyoudo?Let'scleantheclassroom.OK!打扫clean：1.（形容词）干净的2.（动词）打扫Let's=Letus后面接动词原形，
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示建议或请求Letmecleantheteacher'sdesk!Letmecleanthewindows!Let’s…/Letme…为祈使句，表示“建议”或“请求”.后面接动词原形。Letmehelpyou!Thankyou!当别人帮助你或赞赏表扬你时，要礼貌的说：Thankyou./Thanks!帮助Letmecleantheteacher'sdesk!Letmecleanthewindows!Letmehelpyou!Thankyou!Letme__________________!Letme___________________!Letme_______!___________!cleantheteacher'sdeskcleanthewindowshelpyouThankyou1.4人一组合作朗读对话。2.语音、语调正确，运用恰当的动作。3.能够上台展示。Letmecleantheteacher'sdesk!这个是let引导的祈使句，有Let’s…/Letme…两种句型，表示“建议”或“请求”.后面接动词原形。Let’s…让我们（做）……如：Let’sgohome!Letme…让我来（做）……如：Letmehelpyou.Letmecleanthedesk.Letmecleantheblackboard.cleanthedeskcleantheblackboardcleanthedeskcleantheblackboardcleanthedoorcleanthefloorcleanthedoorcleantheclassroomLet'scleantheclassroom.OK!Let'scleanthewindows.Let'scleanthedesks.Trytosay!cleanthefancleanthefloorcleantheblackboardcleantheteacher'sdeskcleanthedeskscleanthedoorcleanthewindowsLetme......Icansay！1.同桌准备一些带有clean的短语卡片2.把卡片倒扣在桌子上，同桌轮流摸卡片，然后用let's或letme句型说出来。Pairwork模仿进行游戏summary祈使句：Let’s/Letme+动词原形Let’scleantheclassroom.Letmecleanthewindows.Letmehelpyou.1.听录音跟读let'stalk部分对话2.同桌之间角色朗读对话给你的组长听3.模仿play部分进行游戏。4.完成同步练习。thankyou!
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