学校姓名班级考场考号-----------------------------------------------------------------------------------------------------------------------------------※※※※※※※※※※※※※※※答※※※※※※※※※※※※※※※※※※题※※※※※※※※※※※※※※※※线※※※※※※※※※※※※※Unit4Iusedtobeafraidofthedark课文知识全面讲解与练习SectionA1.—Mario,youusedtobeshort,didn’tyou?马里奥，你以前个子矮，对吗？—Yes,Idid.是的。【解析1】(1)usev.使用→usefuladj.有用的useup用完StudyingEnglishis__________(use).(2)usesthtodosth用某物做某事WeuseInternet__________(find)information.(3)usedtodosth过去常常做某事，表示过去做过的事现在已经不做，只用于过去时态。◆变成否定句或疑问句时要借助助动词didn’t/did【拓展】（一）肯定形式：主语+usedto+do…Iusedtogetupatsix.(二)否定形式：主语+usedn’t/didn’tuse+todo…Heusedn’ttostudyhard.=Hedidn’tusetostudyhard.（三）疑问形式:①Used+主语+todosth…?答语：Yes,主语+usedto./No,主语+usedn’tto②Did+主语+use+todo….?答语：Yes，主语+did./No,主语+didn’tUsedhetogotoschoolonfoot?=Didheusetogotoschoolonfoot?(四)反意疑问句：肯定句+didn’t/usedn’t+主语？Heusedtobeveryrich,didn’the/usedn’the?否定句+did/used+主语？Hedidn’tusetosmoke,did/usedhe?①Mymotherused_________（tell）usstorywhenwewereyoung.()②Heusedto____shortand____shorthairwhenhewasyoung.A.have;beB.be;haveC.be;beD.have;have【用法归纳】辨析：usedtodosomething.，beusedtodosomething.与beusedtodoingsomething.usedto“过去常常”(后接动词不定式，表示过去的习惯)。否定式有两种：didnotuseto或usednotto。疑问式有两种：Did...useto...?或Used...todo...?但常用第一种。答语形式与did和used的形式一致。◆usedtodosth.“过去常常做某事”(而现在已经不做了)，表示过去习惯性、经常性的动作或状态，和现在对比，暗示现在不做了。to为不定式符号，后跟动词原形。：IusedtogoshoppingonSaturdays,butnowInolongerdoso.过去我经常星期六去购物，但现在我不再那样了。◆beusedtodosomething.表示被动，“.....被用来做……”。第41页（共44页）第42页（共44页）※※※※※※※※※※※※※※※答※※※※※※※※※※※※※※※※※※题※※※※※※※※※※※※※※※※线※※※※※※※※※※※※※※-------------------------------------------------------------------------------------------------------------------------------------Computersareusedtohelppeopledomanythings.电脑被用来帮助人们做很多事情。◆beusedtodoingsomething.“习惯于做某事”。to在这里是介词，后接名词或动名词。Theteacherisusedtogoingtobedlateintheevening.那个老师习惯于晚睡觉。【2014山东枣庄中考】22.LiuHuan,afamousmalesinger,haslonghair,becausehe______longhair.A.usedtohaveB.isusedtohavingC.isusedforhavingD.isusedtohave【2014湖北黄冈】42.-Grandpahaschangedalot.-Sohehas.Hespendsmoretimethanheusedto______gameswiththechildren.A.playB.playingC.playedD.plays【解析2】反意疑问句（见单元语法）2.appearance[əˈpɪərəns]n(人或物的)外表；外貌，外观；仪表makeone'sappearance登台；出现3.A:What’shelikenow?他现在什么样子呢？B:He’stallnow【解析】What’ssblike?如果询问人的性格、人品时，多用Whatbe(am/is/are)…like?—What’shelike?他是个什么样的人呢？—He’sfriendlyandkind.他友好善良。—WhatisJohnlike?—Heisshy.【拓展】—Whatdo/doessb.looklike?—a)sb.+be+形容词/—b)beof+名词（指描述某人的体形、身材等）—c)have/has+形容词+名词（指强调某人的体貌特征）—Whatdoesshelooklike?—Sheistall/Sheisofmediumbuild/Shehaslonghair(）①I____mymotherandI______her.A.amlike;likeB.amlike;amlikeC.like;likeD.like;amlikes()②－Howdoyou_______...
