会计学学习分层目标：It’s2o’clockintheafternoonnow.Marycooknow.WhatweretheydoingatfourlastSunday?6:00pm1.昨天的这个时候我正在做作业。常用的时间状语有:肯定句：否定句:一般疑问句:特殊疑问句:肯定句：主语+was/were+doingHewassinging.否定句：主语+was/were+not+doingHewasn’tsinging.一般疑问句:Was/Were+主语+doing?Yes,主语was/were.No，主语wasn’t/weren’t.Washesinging?Yes,hewas/No,hewasn’t.特殊疑问句:特殊疑问词+was/were+主语+doing?Whatwashedoingatthistimeyesterday?---What_________________now?---He’s_______________.---Washe___________________________atthistimeyesterday?---No,hewasn’t.---What________________atthattime?---He_____________________________________________.Whatwerethechildrendoingwhentheteachercamein?1.过去进行时+when+一般过去时Whatwereyoudoingwhentherainstormcame?2.一般过去时+while+过去进行时Maryturnedontheradio,whileJohnwascleaninghisroom.3.过去进行时+while+过去进行时JohnwastakingphotoswhileMarywasdancing.Lookatthetableandwritesentenceswithbothwhileandwhen.Lookatthetableandwritesentenceswithbothwhileandwhen.Fillintheblankswithwas,were,whenorwhile.1.They__________(read)atthistimeyesterday2._____you_______(sweep)thefloorwhileyourmother_________(cook)?3.We_____________(nottalk)witheachotherallmorningyesterday.4.What____you_____(do)ateightlastnight?过去进行时构成：was/were+doing相关的时间状语：atthis（that）timeyesterday、atteno’clocklastnight、from6to9lastSunday、thosedays，thewholeday等肯定句：主语+was/were+doing否定句：主语+was/were+not+doing一般疑问句问与答:Was/Were+主语+doing?Yes,主语was/were.No，主语wasn’t/weren’t.特殊疑问句：特殊疑问词+was/were+主语+doing?When与while的用法：过去进行时(延续性动词)+when+一般过去时(短暂性动词)一般过去时+while+过去进行时过去进行时+while+过去进行时Thanksforwatching