仁爱英语八年下册时间状语从句教学PPT课件

云枫初中马万胜,2014.4.8深夜,1,-,When/while/as/before/after/until/assoonas+一个完整的句子构成“时间状语从句”,Iwenthomeat5:00intheafternoon.,Schoolisoverat5:00intheafternoon.,Iwenthomewhenschoolisover.,Iwenthomeafterschool.,时间状语从句.由一个句子来充当另一个句子时间状语的句子。,2,-,_hecamein,wewerehavingaclass.,when,when,while,as的区别：,_Iwaswalkingdownthestreet,Icameacrossanoldfriendofmine.,When/while,Thegirlsanghappily_hewalked.,as,_summercomes,itisgettinghotterandhotter._summercoming,itisgettinghotterandhotter.,As,With,3,-,when/while/as引导时间状语从句时的中文意义：,1.当.的时候,2.这时,正在这时,1.当的时候(从句的谓语必须是延续性动词）,2.而,然而(强调两者对比）,3.虽然,1.一边.一边.2.随着.,4,-,“While”指时间段，与延续性动词连用表示主句与从句动作同时发生“When”指时间点，与非延续性动词连用指时间段；与延续性动词连用,(1)Whenshe_(get)homelastnight,herson_(do)hishomework.(2)Whenthebell_(ring),he_(sleep).(3)Myfatherwasreadingabook_mymotherwascooking.,got,wasdoing,rang,wassleeping,while,when/while主从句两个动作一长一短，长的动作用过去进行时，短的动作用一般过去时。两个动作分不清长短或先后，一般前后都用进行时，且用while连接。As主从句的两个短暂动作同时发生多as,5,-,我一看到他，就告诉他。,assoonas,引导时间状语从句“一就”表示主句的动作紧接着从句的动作而发生。,IwillgivehimthemessageassoonasIseehim.,Pleasecallmeassoonasyouarrive.,6,-,before表示“在之前”,after表示在之后”,Afterheheardthebadnews,hecouldnthelpcrying.,HedidntwatchTVbeforehefinishedhishomework.,7,-,until“直到”notuntil直到才,我们一直等到他回来。,她到11点钟才停止工作。,Wewaiteduntilhecameback,Shedidntstopworkinguntilelevenoclock.,如主句动词是延续性动作，常用until，表示“直到为止”;如主句动词是瞬间动词，常用notuntil，表示“直到才”,“notuntil”指主句的动作在从句所表示的时间才开始，谓语用非延续性动词；“until”主句的动作在从句所表示的时间之前就开始，并且一直持续到该时间为止，其谓语用持续性动词。,8,-,until/notuntil句型,Ididntgotobeduntilhecameback.,Iwenttobedafter/whenhecameback,Ididnttobedbeforehecameback,Hewaiteduntilitwas12oclock.,Hedidntgohomeuntilitwas12oclock.,9,-,1、时态一致“主将从现”：当主句是一般将来时或祈使句时，从句就用一般现在时。主句用过去时，从句也要用相应的过去时2、从句的位置：时间状语从句放在主句之前或之后均可。但在主句之前时，应用逗号与主句分开。3、时间状语从句的语序：When/while/as/before/after/until/assoonas+陈述句,10,-,练习：用括号内动词的正确形式填空1.Mymother_(cook)dinnerwhenI_(get)homelastnight.2.I_(meet)LinglingwhenI_(walk)alongthestreet.3.Lily_(listen)tomusicwhileLucy_(read)astorybook.4.Whentheteacher_(come)in,thestudents_(talk)5.He_(call)youassoonashe_(get