人教版九年级英语上册《Unit4 Section B 第1课时》.pptxVIP

英语人教版Unit4SectionB第1课时Iusedtobeafraidofthedark.九年级上册

Touse“usedto”todescribeoraskaboutthepast.Objectives

IusedtobeshortIdidn’tusetobepopularinschool.Paulausedtobereallyquiet.Shedidn’tusetoliketests.Youusedtobeshort,didn’tyou?Yes,Idid./No,Ididn’t.Didheusetowearglasses?Yes,hedid./No,hedidn’t.GrammarFocus

1.usedtousedtodosth.“过去常常”用于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)。其中to为不定式符号，后跟动词原形。eg:Iusedtohavebreakfastat7:30.Iusedtobeshy.探究一：

2.usedto只用于一般过去时态，没有人称和数的变化。IYou/We/TheyHe/She/Itusedtoeg:walktoschool.探究二：

探究三：3.否定形式为：usednottodo或：didn’tusetodo疑问形式为：Used…to…?或：Did…useto…?

探究四：4.usedto用于therebe结构中时，形式为thereusedtobe,表示“过去曾有”。eg:Thereusedtobeaparkhere.这儿曾经有一个公园。

探究五：5.易混短语辨析(1)usedtodosth.过去常常做某事(2)beusedtodoingsth.习惯于做某事(3)beusedtodosth./beusedfordoing被用来做某事eg:Heusedtowearglasses.他过去带眼镜。Sheisusedtogettingupearly.她习惯早起。Thisknifeisusedtocutfruit.这把刀用来切水果。

4aWritesentencesaboutthepastusingusedto.1.Grace/watchalotofTV/watchalotofmovies_________________________________________________________2.Mymom/havecurlyhair/havestraighthair_________________________________________________________3.Jerry/readbooksonEuropeanhistory/readbooksonAfricanculture_____________________________________________________________________________4.Sandy/teachBritishEnglish/teachAmericanEnglish________________________________________________________________GraceusedtowatchalotofTV.Shedidn’tusetowatchalotofmovies.Mymomusedtohavecurlyhair.Shedidn’tusetohavestraighthair.JerryusedtoreadbooksonEuropeanhistory.Hedidn’tusetoreadbooksonAfricanculture.SandyusedtoteachBritishEnglish.Shedidn’tusetoteachAmericanEnglish.

4bFiveyearsagoNowdidn’te