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Unit 2 How often do you exercise語(yǔ)法小結(jié)1. howoften是對(duì)動(dòng)作發(fā)生的“次數(shù)”提問(wèn),詢問(wèn)的是頻率 “多久一次”回答可以是：Every day./ Once a week./Three times a week./ Often./ .eg：Howoftendoyouplaytennis?Howoftendoyousurftheinternet.2拓展疑問(wèn)詞how的用法（1）怎樣，用什么手段，方法。Howdidhedoit?Idontknowhowtoswim.（2）情況如何（指身體健康狀況）Howareyou? HowsitgoingwithTom?（3）howmany，howmuch表示“多少”howmany后接可數(shù)名詞復(fù)數(shù)，howmuch接不可數(shù)名詞。Howmanytimesdoyougotothepark?Howmanyticketsdoweneed?How much water do we need every day?Howmucharethosepants?(4) How long. ? 詢問(wèn)的是時(shí)間長(zhǎng)短“多長(zhǎng)時(shí)間”回答可以是：About one hour./ Three hours. / Thirty minutes./.How long do you usually watch TV? 你通常看多長(zhǎng)時(shí)間電視？