九年级英语全册 Unit 4 I used to be afraid of the dark Grammar Writing课件 (新版)人教新目标版 课件.ppt

Unit4Iusedtobeafraidofthedark.Grammar&WritingYouusedtobeshortdidn’tyou?Mariousedtobe...Amyusedtobe...Tinausedtohave...Heusedtobereallyshort.Heusedtobesoshyandquiet.Iusedtobeafraidofthedark.我过去怕黑。“usedto+动词原形”表过去的习惯或过去经常反复发生的动作或状态但现在已经不再存在了。可用于所有人称。否定形式为：usednotto+do或：didn’tusetodo疑问形式为：Used…to…?或：Did…useto…?Ididn’tusetobepopularinschool.Didheusetobeshort?/Usedhetobeshort?Hedidn’tusetobeshort./Heusednottobeshort.Youusedtobequietdidn’tyou?你以前很文静是不是?反意疑问句:陈述句didn’t/usedn’t+主语?1.usedtodosth.表示“过去常常做某事”只表示过去和现在对比暗示现在不做了。to为动词不定式符号后接动词原形。e.g:他过去常常六点去上学。Heusedtogotoschoolatsixo’clock.2.usedtodosth.的否定形式：主语+usedn’ttodosth.主语+usednot(didn’tuse)todosth.e.g:Heusedn’t/didn’tusetosmoke.过去他不吸烟。3.usedtodo的疑问句形式及其答语。（1）Used+主语+todo…?回答：Yessb.usedto./Nosb.usedn’tto.（2）Did+主语+usetodo…?回答：Yessb.did./Nosb.didn’t.4.usedtodo的反意疑问句形式也有两种类似于否定句形式。e.g.TheyusedtoseeEnglishmoviesonSundayusedn’tthey?/didn’tthey?知识延伸：①get/beusedto(doing)sth.习惯于（干）某事；②beusedtodosth.=beusedfor(doing)sth.被用于做某事；③beusedby被……所用。Heusedto_______inthesunbutnowheisusedto_______atnight.A.readreadB.readingreadC.readreadingD.readingreading1.Lily’sfatherused________(play)tabletennis.2.Janeisahard-workinggirlsheisusedto_______(get)upearly.3.Woodisusedto______(make)deskschairstablesandsoon.4.____you____(use)tobeshort?5.Todaycomputersare_____(use)inbothworkandstudy.1.Mybrotherusedtoplayfootballafterschool.(改为一般疑问句）→____yourbrother______playfootballafterschool?2.Tomusedtobeaquietboy.(改为否定句)→Tom____________beaquietboy.3.Ther