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1、、how long有以下两个主要意思1-3、how long有以下两个主要意思1. 表示多长时间，与延续性动词连用，主要用来对一段时间（如three days, four weeks等）提问。常用“fo叶一段时间”和“ since+时间点”回答A： How long did he stay here?他在这儿呆了多久？B: About two weeks.大约两个星期。A： How long does it take to get to Lon don from here?从这里到伦敦要多长时间？B： At least ten hours. 至少要 10 个小时。2. 表示某东西有多长。如A：
2、 How long is the river?这条河有多长？B： About 500 km. 大约 500 千米。、关于how often 的用法howoften用来提问某动作或状态发生的频率，即问某人在一段时间内做某事做了几次。主要对频度副词或状语（女口： always，usually ， often ， never 或 twice a day ，once a week, ,three times a mon th等）提问。用英语表示多少次，除了一次（once）和两次（twice）夕卜，其他都用基数词+times来表示，三次“three times ” ,五次 “five times ”。A
3、： How often does he come here?他（每隔）多久来一次B： Once a mon th.每月一次。A： How often do you visit your mother?B： Once a week. 一周一次。A :How ofte n do you go to the movie?B :Ofte n. 我经常去看电影。你多长时间看你妈妈一次？你多久去看一次电影?(doLi Ming ate breakfast once last week.上周李明吃了两次早餐。Danny ate breakfast twice last week.上周Danny吃了一次早餐M
4、r. Wood ate breakfast seven times last week.伍德老师上周吃了七次早餐。）、how soon的用法how soon指再过多久，主要用来对表示将来的一段时间（如：in an hour, in two weeks等）提问。如2-3A： How soon will he be back?他要多久才回来？B: In an hour. 1 小时以后。A： How soon shall we know the results?我们多久能知道结果？B: I don t know.我不知道四，how far意思是“多远”，对距离提问时用。How far is it b
5、y rail from Shanghai to Guangzhou?650 kilometres.乘火车从上海到广州有多少路程？How far is it from you home to your school ? -About two kilometers.从你家到学校有多远呢？一，选填 (how long ， how often，how soon how far )-1.have you bee n in China?-For three years.-2.will he back?-In five minu tes.-3.do you visit you gran dpare nts?
6、-Once a week.-4.should I throw it?five metres.5 did you stay there?-for a week.6 do his pare nts let him watch TV?Three times a week.7 will her husba nd come?In two days.选择题:1 （09 长沙 10 济南）.have you been learn English.I have bee n lear n En glish for six years.A. How long B. How ofte n C. How far2.
7、（09 河北）can you be ready, Andy?-In ten minutes.A How much B How ofte n C How long D How soon3. （ 09 临沂）yogurt do you need? j?g?t酸乳酪Three cups.A. How long B. How far C. How long D. How much4. （巴中）can we board （上 ）our plane?In twenty mi nutes.5. 一（宜宾）Xiao Wang,will it take to fly to Guangzhou?Sorry, I do not know.A. how far B. how soon C. how many D. how long4-3