2026牛津译林版英语八年级下册Unit 4 第3课时 Grammar（疑问词+不定式）课件

Unit4Agoodread牛津译林版

八年级下册第3课时Grammar语言知识

掌握：1.疑问代词+不定式2.must和haveto的区别GoalsPartOne动词+疑问词+不定式Milliehasdecided

what

toread.Danieldidnotsay

whototalk

toaboutthisbook.Simonforgot

whentomeet

hisfriends.Kittycannotdecide

whichtochoose

first.Sandyiswondering

wheretoask

forhelp.Amydoesnotknow

howtowrite

thereport.动词+疑问词+不定式Millie

hasdecided

what

toread.Daniel

didnotsay

who

totalk

toaboutthisbook.Simon

forgot

when

tomeet

hisfriends.Kitty

cannotdecide

which

tochoose

first.Sandy

iswondering

where

toask

forhelp.Amy

doesnotknow

how

towrite

thereport.主语谓语宾语宾语动词+疑问词+不定式Milliehasdecided

what

toread.Danieldidnotsay

who

totalk

toaboutthisbook.Simonforgot

when

tomeet

hisfriends.Kittycannotdecide

which

tochoose

first.Sandyiswondering

where

toask

forhelp.Amydoesnotknow

how

towrite

thereport.疑问代词+不定式作宾语why×动词+宾语+疑问词+不定式MrWu

advised

us

whichtochooseasafter-schoolactivities.Thestudents

asked

theirteacher

whentohandintheirwork.Millie

showed

us

whattodonext.Daniel

taught

himself

howtouseacomputertodraw.Don'tforgetto

tell

yourmum

wheretomeetyou.主语

谓语宾语宾语宾语+疑问词+不定式疑问词+名词+不定式Theyarediscussing

whichcolour

topaintthewalls.疑问词+名词不定式Youcanaskyourparents

howmuchmoney

totakewithyou.what,which,whose,howmanyandhowmuch+名词形容词+疑问词+不定式Suzywas

notsure

whotoask

forhelp.Areyou

clear

whentomeet

atthegatetomorrow?形容词疑问词+不定式PartTwomust和haveto的区别I

must

runawayfrom

them.肯定句意义相同动词形式相同Ihaveto

usethem

toreachtheboxonthefridge.都用原形必须，不得不must和haveto的区别否定句must是情态动词，可以直接加not变否定句You

mustnot

smokeinthelibrary.We

donothaveto

gotoschoolatweekends.haveto前要加助动词+not变否定句must和haveto的区别一般疑问句Doeswehavetogotoschoolatweekends？have前要加助动词构成一般疑问句MustI

runawayfrom

them.must置于开头构成一般疑问句must和haveto的区别一般疑问句Doyouhavetogotoschoolatweekends？用什么提问就用什么回答MustIrunawayfrom

them?Yes,Ido.No,Idon’t.Yes,youmust.No,youdon’thaveto/needn’t.注意否定的回答有两种形式，但是没有mustn’tPartThreeAUsingquestionwords+to-infinitivesAmy:MrWuhasrecommendedsomanyinterestingbooks.

Haveyou

decided

(1)_________________________first,Daniel?Daniel:Yes.IwanttoreadBlackBeautyfirst.ButIdon'tknow

(2)________________________thebook.Amy:YoucantryourschoollibraryorSunshineLibrary.Oh,didyou

know

PeterisreadingAroundtheWorldinEightyDays?Hewantsto

find

out(3)

___________________aroundtheworldinsuchashort

time.whichtoreadhow

what

whenwhere

which

whoaskfor

find

handinread

travel

writeabout[hænd]v.交；递

上交，递交wheretofindhowtotravelAUsingquestionwords+to-infinitivesDaniel:Wow,that'samazing!Bytheway,canyoutellme

(4)_________________ourbookreport?Amy:BeforenextFriday.I'mstillnotsure(5)______________inthereport.Daniel:Youcanwriteanythingaboutyourbook—whatthebookisabout,

whatyouthinkofitandsoon.Youshouldreadsomereviews

about

thebookbeforewriting.Amy:Thankyou.

Anyway,Iknow(6)________________helpwithwriting.

MrWuisalwaysthere

tohelpus.whentohandinhow

what

whenwhere

which

whoaskfor

find

handinread

travel

writeabout[rɪˈvjuː]n.评论

whattowriteaboutwhomtoaskforBUsingmustandhavetoYou

(1)________________keepquietinthelibrary.You

(2)________________keepthebookscleanandtidy.You(3)________________draworwriteinthebooks.You

(4)________________eatordrinkinthelibrary.musthavetomustnotmustnotBUsingmustandhavetoYou(5)____________returnthebooksontime.Ifyouwant

tokeepthemlonger,you

(6)

________________renewthem.You

(7)

________________bringyourstudentcardeverytimeyougotothelibrary,butremembertobringyourlibrarycard.[rɪˈtɜːn]v.归还

[rɪˈnjuː]vt.续借；更新

musthavetodonothavetoWordshandreviewreturnrenewvi.交；递，给n.评论vt.归还vt.续借；更新；重新开始1._________________上交，递交2._________________…等等3._________________准时4._________________要求5._________________保持安静6._________________

找到7._________________

去做什么8._________________

涂哪个颜色9._________________

建议某人做什么10._________________确定去做什么andsoonaskforontimehandinkeepquietwhattodofindoutwhichcolourtopaintadvisesb.whattodobesurewhattodo

intime及时atatime一次；每次attimes有时allthetime始终fromtimetotime不时

findout找到lookfor寻找（未找到）

keep+adj.keepquietkeep+sth.+adj.keepthebookscleanandtidy

asksb.whentodosth.要求某人什么时候做showsb.howtodosth.给某人展示怎么做tellsb.howtodosth.告诉某人怎么做

howmanymoneytotake花多少钱whosebagtotake拿谁的包

whotodo谁去做whentodo什么时候去做whichtodo去做哪一个wheretodo去哪里做howtodo怎样去做点击星星出现拓展信息，再点击一次收回。Summary单词词形变换短语短语辨析句子句子分析语法0找到0始发站终点站短语积累keep的用法句子比较0疑问词+不定式疑问词+不定式必须，不得不must和haveto含time的短语keep的用法1.Wemustleavehomemuchearliertomorrow.A.canto

B.couldto

C.haveto

D.usedto2．—Mum,mustIgotomedicalschoolandbeadoctorlikeyou?—No,you_____.Youarefreetomakeyourowndecisions.A.needn't

B.mustn't C.can't

D.shouldn3.—MustIfinishmyhomeworkrightnow?—No,you_____.Youcandoitlater.

A.mustn't

B.don'thaveto

C.maynot

D.need单项选择玩法：抢答模式，10秒看一题，以最快举手为准，说出正确答案。目标：检验新学单元内容的综合运用能力。Practice4.—HowlongcanIkeepthisdictionary?—Twoweeks.Youmust______itontime.A.collect

B.call

C.return

D.give5.Don'ttrytodoeverythingatonce.Takeitabit______.A.attimes

B.atatime C.atalltimes

D.atthattime6.Theapplepie_____beDaniel's.Isawhimorderonejustnow.A.mu