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Lesson31WhereisSally?gardentreeunderclimbrunaftergrassglassacrosscat•现在进行时•主语+be动词+动词现在分词•Be＋V-ingTomplayfootball.isingLucyisreadabook.ingTheywatchTV.areingHeisstanding.•V-ing•1.+ing:singing•2.不发音的e,去e+ing:take-taking•3.重读闭音节,双写＋ing:run-running,swim-swimmingExercisesclimb---run---write---play---sit---eat---drink---dance---cook---clean---Now,finishtheexercisesonpage64Whatishedoing?Heisdrinkingwater(now).Ishedrinkingwater(now)?Yes,heis.Whatisshedoing?Sheiscleaningthehouse.Isshedoingherhomework?No,sheisn’t.Whataretheydoing?Theyarerunning.Aretheywriting?No,theyaren’t.KeystructuresIbegyourpardon?=Pardonme?=Excuseme?Whataboutthedog?Whataboutyou?