《【金榜学案】2014版六年级英语下册 Unit 6 Don’t eat in class Section A(Grammar Focus-3c)课件 鲁教版五四制.ppt》由会员分享，可在线阅读，更多相关《【金榜学案】2014版六年级英语下册 Unit 6 Don’t eat in class Section A(Grammar Focus-3c)课件 鲁教版五四制.ppt（12页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit 6 Dont eat in class.Section A(Grammar Focus-3c).选选句子配句子配图图A.Dont talk.B.Dont eat food and drink.C.Dont take photos.D.Dont drink.答案：答案：14.CABD.句型展示句型展示1.她必她必须须在在图书图书室里保持安静室里保持安静吗吗？是的。是的。_ she _ _ _ quiet in the library?Yes,she _.答案：答案：Does;have to be;does2.我我们们能在走廊里听音能在走廊里听音乐吗乐吗？不，不能。不，不能。_ we _
2、 _ music in the hallways?No,you_.3.我我们们不必天天来上学。不必天天来上学。We _ _ _ come to school every day.答案：答案：2.Can;listen to;cant 3.dont have tohave to 必必须须；不得不；不得不Does he have to wear a uniform at school?在学校里他必在学校里他必须须穿校服穿校服吗吗？He has to help his mother cook dinner.他得帮他他得帮他妈妈妈妈做晚做晚饭饭。He doesnt have to clean the r
3、oom.他不必打他不必打扫扫房房间间。【探究探究总结总结】have to的用法的用法(1)have to为为情情态态动动词词，意意为为“必必须须，不不得得不不”。第第三三人人称称单单数数为为 has to，过过去去时为时为had to,将来将来时为时为will have to。(2)否否定定形形式式和和疑疑问问形形式式要要借借助助do,does,did 等等助助动动词词来来完完成成，其其否否定定形形式式为为dont/doesnt/didnt have to,其其疑疑问问形形式式为为：Do/Does/Did.have to.?(3)have to的同的同义词为义词为 must，但两者用法不同。，
4、但两者用法不同。have to强强调调客客观观需要。有人称和需要。有人称和时态时态的的变变化。化。must 强强调调主主观观看看法法；mustnt 意意为为“禁禁止止”。无无人人称称和和数数的的变变化，且只能用在一般化，且只能用在一般现现在在时时中。中。【学以致用学以致用】他今天得去看望他他今天得去看望他爷爷爷爷。He _ _ visit his grandfather today.今天你不必穿校服。今天你不必穿校服。You _ _ _ wear your school uniform today.答案：答案：has to dont have to.选词选词填空填空quiet,eat,cant
5、,uniform,late 1.Dont_anything in class.2.Dont talk loudly in the library.Please be_.3.Dont get up_on weekdays.答案：答案：1.eat 2.quiet 3.late4.We_listen to music in the classroom but we can listen to it in the music room.5.As a student,you have to wear your school_.答案：答案：4.cant 5.uniform.句型句型转换转换1.I have to get up early.(改改为为一般疑一般疑问问句句)_ you _ _ get up early?2.He has to go shopping with his mother.(改改为为否定句否定句)He _ _ _ go shopping with his mother.答案：答案：1.Do;have to 2.doesnt have to3.We can wear our own clothes.(改改为为一一般般疑疑问问句句，并并作作否否定定回回答答)_ we _ our own clothes?No,you _.答案：答案：Can;wear;cant