Unit 4 Section A Grammar(4a-4c)课件+素材 （新目标九年级Unit 4 I used to be afraid of the dark）

第第页Unit4SectionAGrammar(4a-4c)课件+素材（新目标九年级Unit4Iusedtobeafraidofthedark）(共16张PPT)

Unit4

Iusedtobeafraidofdark.

SectionA4a-4c

Learningobjectives

话题:谈论变化

重点:能正确使用usedtodo表示人物过去的特点，或询问过去的情况

难点:掌握usedtodo的一般疑问句形式和否定形式

Theteacherusedtobeglowingbeforeschoolstarted.

Themotherusedtobeawfulbeforeschoolstarted.

GrammarFocus

Iusedtobeshort.Ididn’tusetobepopularinschool.

Paulausedtobereallyquiet.Shedidn’tusetoliketests.

Youusedtobeshort,didn’tyouYes,Idid./No,Ididn’t.

DidheusetowearglassesYes,hedid./No,hedidn’t.

GrammarFocus

usedto“过去常常”，表示过去习惯性的动作或存在的状态，强调与现在的对比，暗示现在不做了。

to为不定式符号，后跟动词_____。

usedto只用于一般过去时态，____人称和数的变化。

没有

原形

一、usedto的句式变化

01

1.肯定句式：主语＋usedto＋动原…

Iusedtogotothecinema,butIneverhavetimenow.

02

2.否定句式：

Mikeusednottostudyhard.=Mikedidn’tusetostudyhard.

usednot

didn’tuse

主语+to+动原.

03

3.疑问句式：Did＋主语＋useto＋动原+~？=Used＋主语＋to＋动原+~？

Didyouusetoplaythepiano=Usedyoutoplaythepiano

04

4.反意疑问句：

Sheusedtobeverythin,didn’t/usedn’tshe

Hedidn’tusetodrink,did/usedhe

did/didn’t+主语

used/usedn’t+主语

主语+usedtodosth.,+

一、usedto的句式变化

二、usedto的相似结构辨析

VideoTime

Watchthevideo.

Trytowritedownthesentencescontaining“usetobe”.

1.Iusedtoeatjunkfood.

2.Iamusedtoeatingfruitandvegetable.

3.Theyareusedtomakevegetablesalad.

二、usedto的相似结构辨析

相似结构意义时态

usedtodosth.

beusedtodoingsth.

beusedtodosth.

典例：Heusedto________duringtheday,butnowheisusedto________atnight.

A.write;writeB.writing;writeC.write;writingD.writing;writing

解析：句意-他过去常常在白天写作，但是现在他习惯于晚上写作。

只用于过去时

用于多种时态

被动语态

过去常常做某事

习惯做某事

被用于做某事

4a

P28Writesentencesaboutthepastusingusedto.

1.Grace/watchalotofTV/watchalotofmovies

GraceusedtowatchalotofTV.Shedidn’tusetowatchalotofmovies.

2.mymom/havecurlyhair/havestraighthair

___________________________________________________________

3.Jerry/readbooksonEuropeanhistory/readbooksonAfricanculture

___________________________________________________________

___________________________________________________________

4.Sandy/teachBritishEnglish/teachAmericanEnglish

___________________________________________________________

Mymomusedtohavecurlyhair.Shedidn’tusetohavestraighthair.

JerryusedtoreadbooksonEuropeanhistory.Hedidn’tusetoreadbooksonAfricanculture.

SandyusedtoteachBritishEnglish.Shedidn’tusetoteachAmericanEnglish.

4b

P28LookattheinformationandwritesentencesaboutEmily.

FiveyearsagoNow

didn’teatalotofvegetableslovescarrotsandtomatoes

listenedtopopmusicenjoyscountrymusic

watchedscarymovieshatesscarymovies

didn’treadalotofbooksreadsatleastsixbooksayear.

e.g.Emilydidn’tusetoeatalotofvegetables,butnowshelovescarrotsandtomatoes.

1.Emilyusedtolistentopopmusic,butnowsheenjoyscountrymusic.

2.Emilyusedtowatchscarymovies,butnowshehatesthem.

3.Emilydidn’tusetoreadalotofbooks,butnowshereadsatleastsixbooksayear.

4c

P28WhichofthesethingsdidyouusetobeafraidofWhichonesareyoustillafraidofChecktheboxesandthenaskyourpartner.

MeMypartner

Iusedtobeafraidof…I’mstillafraidof…Mypartnerusedtobeafraidof…Mypartnerstillafraidof…

thedark

beingalone

flying

highplaces

givingaspeechinpublic

Summary

1.肯定句

主语＋usedto＋动原…

usedtodosth.

1.过去常常做

2.一般过去时态

2.否定句

主语＋didn’tuseto＋动原…=主语＋usednotto＋动原…

3.疑问句

Did＋主语＋useto＋动原+~？=Used＋主语＋to＋动原+~？

4.反意疑问句

主语+usedtodosth.,did/didn’t+主语/used/usedn’t+主语

5.相似结构辨析

usedtodosth.

beusedtodoingsth.

beusedtodosth.

过去常常做某事

习惯做某事

被用于做某事

Exercises

一、单项选择

Maryisused______withhergrandparentsnow.

A.liveB.livingC.toliveD.toliving

2Asweknow,elephants________someheavyjobs.

A.areusedtodoB.areusedtodoingC.usedtodoD.usedtodoing

3.Iusedto______untilmidnight,butnowI‘musedto___veryearly.

A.reading;goingtobedB.reading;gotobed

C.read;goingtobedD.read;gotobed

4.--I_____inthelakenearmyhousewhenIwasachild.

--Butthelakehasbeenpollutedsincetwoyearsago.

A.usedtoswimB.usedtoswimming

C.amusedtoswimD.amusedtoswimming

Exercises

二、完成句子

5.Heusedtowalkhisdogintheparknearhishome.(否定)

He__________towalkhisdogintheparknearhishome.

6.Sheusedtowearahairband.(改为一般疑问句并作肯定回答)

--____she____________ahairband

--Yes,she____.

7.Theboyusedtochewgumsalo