8-3-现在进行时和过去进行时

现在进行时与过去进行时 八 动词时态 现在进行时 表示现在正在进行的动作或状态 构成 肯定式 be am is are doing否定式 am is arenot doing疑问式 Is Are 主语 doing 标志词 now look listen ateightEg Look Tomisplayingchesswithhisgrandfather It seightnow WearehavinganEnglishlesson 一 将下列句子改为否定 疑问句并回答 1 I mwritingalettertomyfriendnow 否 writingalettertomyfriendnow 问 writingalettertomyfriendnow Yes No 2 Theyarecleaningtheclassroom 否 They theclassroom 问 they theclassroom Yes No 二 用所给单词的正确形式填空 1 What you do now I swim 2 yourfather read anewspapernow Yes he No he 3 Look Who give atalk4 Listen MikeandKate sing 5 He read now He notwrite Whataretheydoingnow Theyareplayingfootball Whatweretheydoingyesterday Theywereplayingfootball Whataretheydoing Theyarerunning Heisplayingtheguitar Theyaredancing Heisswimming Isheswimming Yes heis No heisn t 过去进行时怎么说 现在进行时由am is are doing构成 想一想 过去进行时的构成是怎样 was were doing请看下面的句子 Iwasplayingbasketball Iwasnotplayingbasketball Wereyouplayingbasketball Yes Iwas No Iwasnot 想一想 把I改成He They要怎样说呢 过去进行时的否定式 was werenot doing过去进行时的疑问式 Was Were 主语 doing 标志词 then atthat thistime ateightyesterday WhenIcamein amomentagoEg 1 Myfatherwasreadingnewspaperatnineyesterday 2 LiLeiwastalkingwhentheteachercamein 主句 过去进行 从句 过去时 3 WhileLiLeiwastalking theteachercamein 从句 过去进行 主句 过去时 IwaslisteningtothemusicwhileIwasdoingmyhomework It rain whenIwentoutyesterday Myfather play abasketballmatchatninelastnight 3 They practice singingatthattime4 Whilehe read he listen tothemusicyesterday 5 Hesaidhe clean theroomat