ringgoleavestartbetakerunbegingetBythetimeyougotup,yourmotherhadalreadycleanedtheroomandcookedbreakfast.Bythetime…orWhen…Tina’smorningSheoverslept/sleptalongtime.someonewastakingashowerthebusleftshewasrunningquicklyleftherbackpackathome1b2a2b表示过去的时态有：（1）一般过去时：结构：动词的过去式（2）过去进行时：结构：was/were＋现在分词（3）过去完成时：结构：had＋过去分词现在完成时:主语+have/hasdone动作发生在过去，可能持续到现在也可能刚刚结束过去完成时:主语+haddone动作发生在过去的过去Explainwhatisfunnyaboutthecartoon.Themainideamaybe:Theboysawthecloudsandhefelttherainlongbeforehegothome.Heshouldhaverealizedmuchsoonerthathehadforgottenhisumbrella.HomeworkPleasechooseoneofthemtofinish.B汉译英。1.到那时他已经交了一些朋友。2.到那时她已经完成了那项任务。3.在我见到她以前,她认识我哥哥已经两年了。4.我到火车站时，火车已经开了。C.给故事续一个合理的结局。Makeupanendingforthestoryandshareitwiththeclass.TellwhathappenedtoTinawhensheenteredtheclassroom.