HowlongHowoftenHowsoonHowfar用法

1、How long/How often/How soon/How far用法一、 how long 的用法how long 有以下两个主要意思：1. 表示多长时间，主要用来对一段时间（ 如 three days, fourweeks 等 ）提问。一般与for 连用，完成时态。如：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 London from here?从这里至U伦 敦要多长时间?B ： At least ten hours. 至少要 1

2、0 个小时。2. how long 提问单个事物本身的长短，与距离无关。表示某东西有多长。如：A： How long is the river? 这条河有多长？B： About 500 km. 大约 500千米。二、how 10ng意为 多长”，提问事物的长度。使用时要注意与how far 的区别。how far强调某两个地点之间的距离，from。to。回答 时表示两地间距离的短语常见的有 five kilometers （五千米），a few miles（数英里），ten minutes ' （ wa徐钟的步行路程），three hours ' rid五小时的车程）等。在疑问

3、句中一般会出现两个地 点。三、 how often 的用法how often 指每隔多久，主要用来对频度副词或状语（如：once aweek, three times a month 等 ）提问。如：A: How often does he come here?他（每隔）多久来一次？B ： Once a month. 每月一次。A： How often do you visit your mother? 你多长时间看你妈妈一次?B ： Once a week. 一周一次。三、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：inan hour, in two

4、 weeks 等 ）提问。如：A： 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.不知道。How far 和 How long 的区别A: 持续多长时间（多久）how longHow long have you been here?For five months.长度（多长）how longHow long is the bridge?Its 500 metres.距离（多远）how far

5、How far is it from here to the zoo?It ' s 6 kilometres四、练习题对划线部分提问1、It took me three hours to do my homework.to do homework? How long did it take you/ your 2、He will come here in ten minutes. will he?How soon/ come here3、Mary visits her parents once a week.her parents? How often does Mary visit4

6、、 It is five miles from the bookshop to the bus station. from bookshop to the bus station? How far is it5、There are two apples in my bag.How many/are there yourapples in bag?6、The line is about six meters .How longis the line?7. “ willhe leavehere? ”“ Hewill leave here in a month”A. How often B. How

7、 long C. How soon D. How many times8. “ doehse watch TV” “ Oncea week. ”A. How long B. How soon C. How often D. How many9. I dont knowhe will get here.A. how long B. how soon C. how often D. how many10. “ doehse take this medicine? ”“ Twicea day. ”A. How soon B. How long C. How much D. How often11.

8、“ haveyou been at this factory? ”“I have been here since1993. ”A. When B. How long C. How often D. What time a12. “ canyou finish this work? ”A. How often B. How soon C. How long D. How far13. “ will he stay here? ”A. How many times B. How often C. what time D. How long14. does your sister write to your parents?A. How many B. How often c. How long D. How far15. does it take you to finish you homework every day?A. How long B. How often C. How soon D. How much答案：1、 How long did it take you /your 2、 How soon/come he