Unit4Helpingpeoplearoundtheworld科目:英语主备人：备课日期：课题M6Unit4Grammarandusage第8课时计划上课日期：教学目标1.Havestudentsknowthedifferentkindformsofunrealconditions;2.Havestudentsgrasptheusageofunrealconditions.教学重难点Havestudentsusewhattheyhavelearnedtodoexercisescorrectly.教学流程\内容\板书关键点拨加工润色Step1:Greetings.Step2:虚拟语气表示说话人的主观愿望、猜测建议或与事实不符的假设。虚拟语气可分为三种：（1）一般虚拟（2）混合虚拟（3）特殊句式Step3:Theexplanationsoftheusageofunrealconditions一．一般虚拟的构成：(省略if,要将should/were/had提到句首)(1).对现在的虚拟：If+S.+did/weresth.,S.+would/could/should+doIfIhadtime,Iwouldattendthemeeting.IfIwereyou,Iwouldseizethechancetogoabroad.(2)对过去的虚拟：If+S.+had+p.p,S.+would/could/shouldhave+p.pIfyouhadtakenmyadvice,youwouldnothavefailedintheexam.(3)对将来的虚拟：If+S.+did/were/shoulddo/weretodo,S+would/should/coulddosth.Ifyoucametomorrow,wewouldhavethemeeting.Ifitweretoraintomorrow,thesportsmeetingwouldbeputoff.Ifheshouldnotcometomorrow,weshouldputoffthemeetingtillnextday.注意：Hadwemadegoodpreparations,wemighthavesucceeded.Haditnotrained,wewouldhavegoneoutforawalk.WereIyou,Iwouldnotdosuchathing.二．混合虚拟：（1）不同时间的虚拟：Ifhehadlistenedtome,hewouldnotbeintroublenow.Ifhehadtoldmeyesterday,Ishouldknowwhattodonow.(2)虚拟与陈述的混合：Hecouldhavepassedtheexam,buthewasn’tcarefulenough.Youshouldhavecomeearlier,thebusleftamomentago.三．特殊句式：(1).suggest,advise,recommend,propose,order,command,request,require,demand+that–clause(shoulddo/do)Hesuggestedthatwe(should)savemoneyforthefuture.(insist的判断)(2)Itissuggested/advised/ordered/requested/requiredthat–clause(shoulddo/do)(主语从句)(3)Myadvice/suggestion/request/requirementisthat-clause(shoulddo/do)（表语从句）Hissuggestion/advice/request/requirementthat–clause(shoulddo/do)is..（同位语从句）(4)Itisnatural/necessary/strangethat-clause(shoulddo/do)表惊奇、怀疑、惋惜、不满、理应如此等。It’sstrangethatheshouldhavemissedthetrain.（表竟然）Itisimportantthatweshouldlearnfromothers.（表理应如此）Itisapitythatheshouldnotgowithus.(表惊讶、不满)（5）wish+thatclause(did/were与现在相反)wish+thatclause(would/could/might+do与将来相反)wish+thatclause(haddone与过去相反)IwishIcouldgowiththemtomorrow.IwishIhadnevermethim.(6)Itis(high/about)time+clause(did,shoulddo)Itis(high/about)timewewenthome.(7)wouldrather+clause(did与现在或将来相反)；（haddone与过去相反）Iwouldratheryoucametomorrow.Iwouldratheryouhadn’ttoldherthenews.(8)Ifonly+clause(did/were与现在相反)((would/could/might+do与将来相反)(haddone与过去相反)“要是。。。就好了“Ifonlyhewouldcometomorrow!IfonlyIhadtakenheradvice!IfonlyIweretenyearsyounger!(9)asif+clause(did/were与现在相反)(would/could/might+do与将来相反)(haddone与过去相反)ShetreatsKateasifshewereherowndaughter.Theytalkedasiftheyhadbeenfriendsforyears.(10)wouldlike/was/weretohavedonesomethingIwouldliketohaveattendedtheparty,butoneofmyfriendscametoseeme.(11)without/butfor+n.=ifitwerenotfor+n./ifithadn’tbeenfor+n.(otherwise后从句同)Iwouldnothavepassedtheexamwithoutyourhelp.(=ifithadn’tbeenforyourhelp)Step4:Homework1.Reviewtheusageoftheunrealcomditions.2.Dosomemoreexercises.教学心得
