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BLet’slearnUnit4ThenandnowLet'schantgymlastyeartimeatnightlastmonth火眼金睛：Readquickly(快速、正确地读出单词)moongrassinternetdininghallReviewinternetHi,IamYifan.TodayIwilltellyousomethingaboutme.Ithoughtitwastoocold.Ididn’tlikewinterbefore.以前我认为boughtIdidn’tlikebefore.Ithoughtitwaswintercoldsummerhotgrapessour请照样子说句子。例：Icouldn’trideabikebefore.NowIcanrideabikewell我不能……现在Icouldn’tgocyclingbefore.NowIcangocyclingwellIcouldn’tgoice-skatebefore.NowIcangoice-skateverywell.Icouldn’tplaybadmintonbefore.NowIcanplaybadmintonverywell.你能说出下面短语的过去式吗？gocyclingplaybadmintonthinkiscanwentcyclingplayedbadmintonthoughtwascangocyclingnowplaybadmintoncouldn'tice-skategymbeforeIcouldn’tbefore.NowIcanverywell.请照样子说句子。例：Let’slearn自读对话，并试着理解WuYifan:Ididn’tlikewinterbefore.Ithoughtit’stoocold,andIcouldn’tgocycling.Mike:Howaboutnow?WuYifan:NowIlovetoice-skate,soIlikewinter.画龙点睛Ididn’tlikewinterbefore.我以前不喜欢冬天。didn’t是did的否定，动词过去式句子中否定的构成：didn’t+动词原形Icouldn’tgocycling.我不能骑自行车。couldn’t是could的否定式绿色圃中小学教育网拓展练习Listen,matchandsay.Before,Allencouldn’t…Now…绿色圃中小学教育网’t_____before.NowIcan_________.Summarygocyclingice-skateplaybadmintonWhatdidwelearntoday?