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What’sintheclassroom?chairdeskwindowdoorclassroomblackboardSinging,singing,heissinging.Dancing,dancing,heisdancing.Running,running,theyarerunning.动词加ing表示正在进行Let’scleanourclassroom.cleanthewindowSallyiscleaningthewindow.cleanthedeskLilyiscleaningthedesks.cleanthechairJuliaiscleaningthechairs.cleanthedoorWangTaoiscleaningthedoor.cleantheblackboardYangMingiscleaningtheblackboard.stand站Heisstandingonachair.be动词(am/is/are)+动词进行时(动词原形+ing)现在进行时句子的基本结构Iamcleaningthedesk.He/sheiscleaningthedesk.Theyarecleaningthedesk.Writethenewwordsandthenewsentences5times!谢谢观看