課題：Unit4Iusedtobeafraidofthedark.難點(diǎn)名稱：能正確使用usedto結(jié)構(gòu)描述或詢問過去的情況1九年級(jí)英語-全一冊(cè)-四單元getupbeforenow

Iusedto

getupat7:15,butnowIgetupat6:25.Mylifehaschangedalotinrecentyears.

Iusedto

rideabiketoschool,butnowItakeabustoschool.beforenowbeforenow

Iusedto

playsoccerafterschool,butnowIdomyhomework.potatoesandcarrots

Ididn’t

useto

eatpotatoesandcarrots,butnowIlovethem.Didyouusetoeatpotatoesandcarrots?thedark

Iusedto

beafraidofthedark,butnowI’mnotafraidofitanymore.Didyouusetobeafraidofthedark?1.Iusedto

getupat7:15.2.

Iusedto

rideabiketoschool.3.

Iusedto

playsoccerafterschool.4.Iusedto

beafraidofthedark.5.Ididn’t

useto

eatpotatoesandcarrots.6.Didyouusetoeatpotatoesandcarrots?7.Didyouusetobeafraidofthedark?Observethesesentencescarefullyandthinkabouttheusageof“usedto”.usedto:“表示過去經(jīng)常、以前常常”，后面加動(dòng)詞原形，它表示過去存在的某種狀態(tài)或者過去的某種經(jīng)常性、習(xí)慣性的行為或者動(dòng)作，并意味著這種動(dòng)作目前已經(jīng)不存在，所以它只能用一般過去時(shí)，不能用現(xiàn)在時(shí)態(tài)。知識(shí)講解句子的構(gòu)成：

肯定句：

主語+usedto+do…過去經(jīng)常做某事否定句：

主語+didn’t

useto+do…過去不經(jīng)常做某事一般疑問句：Did+主語+useto+do…過去經(jīng)常做某事嗎回答：Yes/No,…did

Sheusedtobeshort,butnowsheistall.Sheusedtohavelonghair,butnowshehasshorthair.Let’spracticeSheusedtoplaysoccer,butnowsheplaystennis.Let’spracticeAmyused

tohavelonghair.Amydidn’t

use

tohaveshorthair.beforeDid

Markuseto

beonabasketballteam?DidMikeusetowearglasses?Yes,hedid.Heusedtowearglasses.No,hedidn’t.Heusedtobeonaswimteam.Let’spracticebeforebefore課堂練習(xí)12難點(diǎn)鞏固1.I____________P.E.class,butnowIloveP.E.class.

我過去討厭上體育課,現(xiàn)在喜歡上體育課。2.Theboylikedicecreaminthepast.Hedoesn’teatitnow.(改同義句）Theboy_________________icecream.3.

Iusedtolivewithmyparents.(改為一般疑問句,并且做肯定回答)____you____tolivewithyourparents?4.Heusedtolistentopopmusic.(改為否定句)He__________tolistentopopmusic.根據(jù)要求完成句子Didusedidn’tuseYes,Ididusedtohateusedtolike【課堂小結(jié)】小結(jié)1.usedto：表示過去常常做某事，也可以表示過去的某種狀態(tài),

(即現(xiàn)在已經(jīng)不做了）后面都加動(dòng)詞原形。

2.句子三種形式

肯定句：

主語+usedto+do…否