获奖课件七年级英语下册-Unit-4-Section-A(Grammar-Focus-3c)-人教版

Unit4Don’teatinclass.SectionA(GrammarFocus-3c)Unit4Don’teatinclass.Ⅰ.选句子配图

Don’ttalk.

Don’tlistentomusic.Don’teat. Don’ttakephotos.Ⅰ.选句子配图答案:1.Don’teat.

2.Don’ttalk.

3.Don’ttakephotos.4.Don’tlistentomusic.答案:1.Don’teat.2.Don’ttaⅡ.句型展示1.——她必须在图书室里保持安静吗?——是的。—

she

quietinthelibrary?—Yes,she

.答案:

Does;havetobe;does

Ⅱ.句型展示2.——我们能在走廊里听音乐吗?——不,不能。—

we

musicinthehallways?—No,you

.3.我们不必天天来上学。We

cometoschooleveryday.答案:2.Can;listento;can’t3.don’thaveto2.——我们能在走廊里听音乐吗?Doeshehavetowearauniformatschool?在学校里他必须穿着校服吗?Doeshehavetowearauniform【自主领悟】(1)haveto为情态动词,意为“必须,不得不”,后接动词原形,有人称、时态和数的变化。其第三人称单数形式为hasto,过去式为hadto。例如:It’stoolate.Ihavetogohome.太晚了。我必须回家了。(2)haveto的否定形式和疑问形式要借助于do/does/did等助动词来表示。例如:Youdon’thavetocleantheroomnow.你现在没必要打扫房间。【自主领悟】(1)haveto为情态动词,意为“必须,【用法辨析】haveto与must的区别【用法辨析】haveto与must的区别【图解助记】【图解助记】【活学活用】

①他今天得去看望他爷爷。He

visithisgrandfathertoday.②今天你不必穿校服。You

wearyourschooluniformtoday.③你必须买票进电影院。You

atickettogointothecinema.答案:①hasto②don’thaveto③mustbuy【活学活用】Ⅰ.单项选择1.—Canwewearhatsinclass?—

.A.Yes,wedo

B.No,wedon’tC.Yes,wecan D.Yes,wecan’t2.—CanIuseyourruler?—Yes,you

.A.may

B.need

C.can

D.mustⅠ.单项选择3.—

doyouhavetodoafterschool?—Domyhomework,ofcourse.A.What B.When C.Where D.How4.—

lateforschoolagain.—Sorry,Iwon’t.A.Notbe B.Don’tbe C.Not D.Don’t5.Whichofthefollowingpicturesmeans“Pleasebequiet”?3.—doyouhavetodoafterⅡ.句型转换1.Wehavetostayathome.(改为一般疑问句)

you

tostayathome?2.Bobhastogethomebeforenineo’clock.(改为否定句)Bob

gethomebeforenineo’clock.3.Wecanwearourownclothes.(改为一般疑问句,并作否定回答)—

you

yourownclothes?—No,we

.答案:1.Do;have

2.doesn’thaveto

3.Can;wear;can’tⅡ.句型转换Ⅲ.将Ⅰ栏中的问句和Ⅱ栏中的答语匹配Ⅰ1.Canweeatintheclassroom?2.Canstudentstalkinthehallways?3.Dowehavetowearauniform?4.Whatisthefirstrule?5.DoIhavetowearahat?Ⅲ.将Ⅰ栏中的问句和Ⅱ栏中的答语匹配ⅡA.Don’