Unit12Lifeisfulloftheunexpected.SectionA(1a-2d)Warmingup本课出现的主要动词的过去式和过去分词sleepgetgoleaveringbetakerunwake原形过去式过去分词sleptsleptgotgotten\gotwentgoneleftleftrangrungwas/werebeentooktakenranrunwokewokenHaveyoueverbeenlateforschool?Haveyoueverbeenlateforschool?Bythetimetheboygottoschool,thebellhadrung.Bythetimetheboygottoschool,thebellhadrung.Haveyoueverdonesomegooddeeds(好事）?Haveyoueverdonesomegooddeeds(好事）?Bythetimethemothercamebackhome,hersonhadcleaneduptheyard.Bythetimethemothercamebackhome,hersonhadcleaneduptheyard.Tina’smorningTina’smorningSheoverslept.Sheoverslept.SomeonewastakingashoweSomeonewastakingashoweBythetimeshegotup,herbrotherhadalreadygottenintheshower.Thebusleft.Thebusleft.Bythetimeshegotoutside,thebushadalreadyleftShewasrunningquicklyShewasrunningquicklySheleftherbackpackathomeSheleftherbackpackathomeWhenshegottoschool,sherealizedshehadleftherbackpackathome.Listening(1b:P76)Listening(1b:P76)1.BythetimeIgotup,mybrother____already______intheshower.1.BythetimeIgotup,mybrother____already______intheshower.hadhadgottengotten2.BythetimeIgotoutside,thebus____already___.2.BythetimeIgotoutside,thebus____already___.hadhadleftleft3.WhenIgottoschool,IrealizedI______mybackpackathome.3.WhenIgottoschool,IrealizedI______mybackpackathome.hadhadleftleft2a2aNumberthepictures1-4inthecorrectorder.Numberthepictures1-4inthecorrectorder.12342b2b1.WhenI(gethome),I(realize)I(leave)mykeysinthebackpack.2.BythetimeI(get)backtoschool,thebell(ring).3.BythetimeI(walk)intoclass,theteacher(start)teachingalready.gothomegothadrungwalkedhadstartedrealizedhadleftThePastPerfectTense过去完成时1.过去完成时的构成助动词had(用于各种人称和数)+过去分词WhenIgottoschool,thebellhadrung.2.过去完成时的用法:主要是表示在过去某个时间,或是动作之前已经发生或完成的动作.也就是过去的过去.过去的过去过去现在构成：had＋过去分词过去完成时Exercises:一根据汉意完成单词。1.I______uplatethismorning.(醒来)2.Haveyouever______?(睡过头)3.AfterIgottothecinema,thefilm______already.(开始)4.He______(完成)hishomeworkbeforeIcamehere.5.Bytheendoflastyear,she_______(学)toswimfor3years.二翻译下列句子。1在我走进教室时，老师已经开始讲课了。______________________________________2当我到达学校的时候，我才意识到我把书包忘家里了。______________________________________3当我起来时，我的哥哥已经进去洗澡了。______________________________________4早上上学之前，你通常做些什么？______________________________________
