1. how long
指多长时间,主要用来对一段时间(如three days, four weeks 等)提问:
How long ago was it? 这是多久前的事了?
How long do you think youll be gone? 你想你会离开多久?
How long have you known her? 你认识她有多久了?
How long have you been studying the problem? 这问题你研究多久了?
How long did he stay here? About two hours. 他在这儿呆了多久?大约两小时。
2. how often
指每隔多久,主要用来对频度副词或状语(如once a week等)提问:
How often does he come here? Once a month.
他(每隔)多久来一次? 一每月一次。
How often do you visit your mother?一Once a week.
你多长时间看你妈妈一次?一周一次。
How often do you go to the dentist?一I go every six months.
你多久去看一次牙齿?我每6个月去一次。
3. 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:
How soon can you come? 你多快能赶来?
How soon shall we know the results? 一I dont know. 我们多久能知道结果? 我不知道。
How soon will he be back?In an hour. 他要多久才回来?1小时以后。
How soon will you be / have finished, dear? 亲爱的,你还要多久才能准备好呢?
How soon will you know your holiday dates? 你什么时候才能知道休假13期?
上一篇: 高中英语语法判断句中动词是谓语还是非谓语
下一篇: 高中英语语法复习讲义——名词性从句
牛津沪教四下Module 3《Unit 3 Weather》ppt课件
牛津上海版五下《Unit 2 Use your ears!》ppt课件
牛津上海版五下《Unit 1 Colours around us》ppt课件
牛津上海版五下《Unit 3 What is the weather like》ppt课件
牛津上海版五下《Unit 2 Use your ears!》ppt课件3
牛津沪教四下Module 1《Unit 2 What can you hear》ppt课件
牛津上海版四下《Unit 2 Listen!》ppt课件
牛津上海版五下《Unit 2 Favourite toys》ppt课件
牛津上海版六上《Unit 9 Picnics are fun》ppt课件
牛津上海版五上《Unit 2 Friends》ppt课件2
牛津上海版四下《Unit 1 My pet》ppt课件1
牛津上海版五下《Unit 1 Use your eyes!》ppt课件
牛津上海版五下《Unit 1 Use your eyes!》ppt课件1
牛津沪教四下Module 2《Unit 1 My pet》ppt课件
牛津沪教四下Module 3《Unit 2 Listen》课件包(含声音素材)
牛津上海版四下《Unit 1 My pet》ppt课件3
牛津沪教四下Module 1《Unit 1 Look》ppt课件
牛津上海版六上《Unit 9 Picnics are fun》ppt课件1
牛津沪教四下Module 1《Unit 3 What can you feel》ppt课件
牛津上海版五下《Unit 4 Use your five senses》ppt课件1
牛津上海版六上《Unit 9 Picnics are fun》ppt课件4
牛津上海版六上《Unit 8 The food we eat》ppt课件
牛津沪教四下Module 1《Unit 1 Look》ppt课件之一
牛津上海版四下《Unit 1 Colours and places》ppt课件
牛津上海版五下《Unit 1 Animals in the zoo》ppt课件
牛津上海版六上《Unit 9 Picnics are fun》ppt课件2
牛津上海版五下《Unit 2 Favourite toys》ppt课件1
牛津沪教四下Module 2《Unit 3 A busy family》ppt课件
牛津上海版五上《Unit 2 Friends》ppt课件1
牛津上海版六上《Unit 9 Picnics are fun》ppt课件3