when“正在那时”的用法

when表示“正在那时/这时（突然）”=atthat/thistime的用法小结A.when前面的分句使用过去进行时。如:(1)Hewasstillsmilingwhenthedooropenedandhiswifecamein.他正笑着，正在这时,门突然开了,他妻子走了进来。(2)IwasthinkingofthiswhenIheardmynamecalled.我正想着这件事，正在这时,突然听到有人叫我的名字。B.when前面的分句使用was(were)aboutto,was(were)onthepoint等。表示：正要做......这时/那时......（另一个动作发生了）如:(1)Wewereabouttostartwhenitbegantorain.我们正要出发，就在这时开始下雨了。(2)Hewasonthepointofleavingwhensomeoneknockedatthedoor.他正要离开，就在这时有人敲门。C.when之前的分句使用过去完成时,其中sbhadhardly/scarcely/barely…when表示“刚刚完成......（前一个动作），就在这时......（后一个动作发生了）”如:(1)Wehadhardlyfallenasleepwhenthebellrang.我们刚刚入睡,就在这时铃声响了起来。(2)Hehadscarcelyarrivedwhenhehadtoleaveagain.他刚刚到达，就在这时又要离开了。即：when用于以下结构中表示：“正在这时/那时”1.bedoing...when...正在做......这时/那时......（另一个动作发生了）2.beabouttodo...when...正要做......这时/那时......（另一个动作发生了）3.beonthepointofdoing...when...正要做......这时/那时......（另一个动作发生了）4.hadjustdone...when...刚做完某事，这时/那时......（另一个动作发生了）1.Ihadfinishedmyhomeworkand_____watchtheolympicswhenthepowerwascutoff.A.wasgoingtoB.wasabouttoC.wastoD.wouldB2.Weweregettinginthewheat____suddenlyitpouredwithrain.A.WhileB.whenC.asD.beforeB3.Shehadjustfinishedherhomework____hermotheraskedhertopracticeplayingthepianoyesterday.A.whenB.whileC.afterD.sinceA4.Theywerediscussingtheproblem___theteachercamein.A.whenB.whileC.afterD.since5.Jennywasholidayingwithherfamilyinawildlifepark______shewasbittenonthelegbyalion.A.whenB.whileC.sinceD.once6.Hewasabouttotellmethesecret______someonepattedhimontheshoulder.A.asB.untilC.whileD.whenAAD7.Sheopenedhereyesandwasabouttocryout____sheheardherfatherurgentlytellinghertokeepquiet.A.whileB.whenC.beforeD.afterB