高中英语知识点大全69:how long、soon、far

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高中英语知识点大全69:how longsoonfar

高中英语知识点大全69:how longsoonfar

高中英语知识点大全(69):how long/soon/far1、how long/ how soon/ how far/ how often(1)how long 多久。

表示一段时间,句中的动词应是延续性的。

是对for 或since等所表示的时间状语的提问。

①—For three years. 3年了。

②—Since 1997. 从1997年至今。

③—Since I graduated from college. 从大学毕业至今。

(2)how soon (将来)多久;(过)多久(以后)。

是对in 所表示的时间状语的提问。

—In three hours. 3小时后。

(3)how far 多远。

用来提问距离。

—Twenty kilometres. 20公里。

(4)how often (每隔)多久;多经常。

用来提问频度。

—Twice a month. 一个月两次。

2、瞬时动词come/ go/ leave/ start/ arrive/ buy/ die/ join/ borrow/ marry等不能与表示一段时间的状语连用如how long, for 和since所表示的时间。

①他去世三年了。

不能说:He has died for 3 years.而应说:He has been dead for 3 years.He died 3 years ago.It is 3 years since he died.3、however adv. 然而;但是表示转折,起承上启下的作用。

本身具有相对的独立性,通常逗号与句子其他部分隔开。

①He likes singing. He can’t sing very well, however. 他喜欢唱歌,然而唱不好。

②He didn’t agree with me ; however, he said nothing. 他不同意我的看法,但他什么也没说。

how long和how far的用法

how long和how far的用法

how long和how far的用法HowLong和HowFar是两个常用的疑问词,它们都用来询问时间或距离的长短。

但是,它们还有一些不同的用法和注意事项。

在本文中,我们将详细介绍如何正确使用这两个疑问词。

一、How Long的用法How Long用来询问时间的长短,通常用于问句中作为疑问词。

例如:- How long have you been studying English?(你学英语学了多久了?)- How long did it take you to finish the project?(你花了多长时间完成这个项目?)- How long is the movie?(这部电影有多长?)除了作为疑问词外,How Long还可以用来修饰时间段或持续时间,通常放在句首或句尾。

例如:- How long I’ve waited for this moment!(我等了多久才等到这一刻!)- I can’t believe how long it’s been since we last saw each other.(我简直不敢相信我们上一次见面已经过了这么长时间了。

)- The concert lasted for how long?(这场音乐会持续了多长时间?)需要注意的是,How Long后面的时间单位通常是基于时间的,如秒、分钟、小时、天、周、月、年等。

例如:- How long have you been living in this city?(你在这个城市住了多久了?)- How long does it take to fly from Beijing to New York?(从北京飞往纽约需要多久?)- How long did it take you to get here by car?(你开车来这里花了多长时间?)二、How Far的用法How Far用来询问距离的远近,通常用于问句中作为疑问词。

英语单词辨析:如何区分How soon、How far、 How long、How often

英语单词辨析:如何区分How soon、How far、 How long、How often

英语单词辨析:如何区分How soon/ How far/ How long/How often
(1)How soon表示“多久之后”,主要用来对表示将来的一段时间提问。

How soon的回答一般是:“in + 时间段”,如“in two days”“in five years”。

例如:—How soon will you be ready?
—In five minutes.
(2)How far“多远”一般指的是一地到另一地的距离。

例如:—How far is it from your home to school? —Three kilometers.(3)How long表示“时间多久或物体多长”,表示时间侧重指“一段时间”。

针对“How long”的回答一般是时间段,如“for three days”,“for three years”。

例如:—How long were you away last year?
—For two weeks.
(4)How often “多长时间一次”对在某一特定的时间内进行的动作次数进行提问,其答语一般为“never,sometimes,usually”等频率副词。

例如:—How often do you exercise? —Every day.
6. Bob dislikes coffee, so he almost _________ drinks it.
A. often
B. always
C. never
D. ever。

(完整版)How_longHow_oftenHow_soonHow_far用法

(完整版)How_longHow_oftenHow_soonHow_far用法

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? 从这里到伦敦要多长时间?B:At least ten hours. 至少要10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 long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’ walk(十分钟的步行路程), three hours’ ride(三小时的车程)等。

在疑问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:in an hour, in two weeks 等)提问。

howhow farhow longhow soonhow often 的区别

howhow farhow longhow soonhow often 的区别

how/how far/how long/how soon/how often 的区别
1.how引导的特殊疑问句提问交通方式,其答语分三种情况:
a.take a/an/the+交通工具(单数)
b.by+交通工具(单数)
c.on/in+限定词+交通工具
---How do you go to school every day?
---I take a bus to go to school every day./I go to school by bus every day./I go to school on the bus every day.
2.how far用来提问距离,多远,其答语分为两种:
(1)用长度单位表示:It is five kilometers.
(2)用时间表示:It’s twenty minutes’walk.
3.how long用来提问时间,意为多久回答常用“for+段时”。

----How long have you learnt English?
----For 3 years.
4.how soon用来提问做完某事还需要多长时间,用于将来时态,常用“in+时间段”来回答。

----How soon will you arrive in Beijing?----In 3 hours.
5.how often用来提问频率,回答通常以下2种:
(1)once/twice +时间.
(2)基数词+times+时间.。

howlong,howfar,howsoon,howoften用法总结

howlong,howfar,howsoon,howoften用法总结

howlong,howfar,howsoon,howoften用法总结I stayed in this place for two weeks。

which is the amount of time I spent here。

It takes me ten hours to travel to London。

which is the n of my trip。

The river is approximately 500 meters long。

which is its length。

He visits his mother once a week。

which is the frequency of his visits。

I usually play basketball with my friends。

which is the frequency of my activity。

I will be back in ten days。

which is the n of my absence。

It is about two kilometers from my home to school。

which is the distance een the two places.In summary。

"how long" has two main meanings。

Firstly。

it is used to ask about the n of time spent doing something with a continuous verb。

It is often answered with "for + a d of time" or "since + a specific time." Secondly。

"how long" can also be used to ask about the length of an object or distance。

英语中how long, how often, how soon和how far的区别

英语中how long, how often, how soon和how far的区别

英语中how long, how often, how soon和how far的区别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?如:How long ago was it? 这是多久前的事了?2.how often指每隔多久,主要用来对频率副词或状语(如once a week等)提问?如:—How often does he come here? —Once a month. 他(每隔)多久来一次?每月一次。

3.how soon指再过多久,主要用来对表示将来的一段时间(in an hour, in two weeks 等)提问?如:How soon can you come? 你多快能赶来?4. how far 指多远,主要表示距离如:How far is it from school to home?among 和between 的用法1. among表示“在……中,在三者或者三者以上之间”2. between 在两者之间,常和and 搭配,构成:between…and ,表示“在……和……之间”例:1. He Lin sits among the students.2. Zhang Hai sits between Li Lei and Wei Ming.练习根据句意,用among 和between 填空完成句子。

1.Zhou Ming and Zhou Y un are twin brothers,but there are many differences ( ) them.2.My sister sits ( ) her classmates.答案:1.between 2.amongWhy not+v.…?与why don’t you+v.…?的用法解析特殊句型:Why not1."Why not +动词原形"表达向某人提出建议,翻译为:"为什么不……?" "干吗不……?"例如:Why not take a holiday?干吗不去度假?Why not join us?为何不加入我们呢?Why not come with me?怎么不和我一起呢?*why not 后面都是动词原形,从词法上讲,在这个句型中,why 是个疑问副词,not 是个副词,副词可以修饰副词,而且副词可以修饰动词,所以结构“Why not+动词原形+…?”why not say so at once?为什么不立即说明呢?As long as you are going, why not take me with you?既然你要去,为什么不带我一起去。

英语中howfar,howsoon,howlong,howoften的区分讲解

英语中howfar,howsoon,howlong,howoften的区分讲解

英语中howfar,howsoon,howlong,howoften的区分讲解1.how long表示多长时间,与连续性动词连用,主要用于对一段时间进行提问,常用for+时间段回答。

例如:How long did you stay here? I stayed here for two weeks.how long 还可以表示东西有多长例如:How long is the river? About 40km.2.How often主要强调动作发生的频率。

(做了几次)如果句子中有always, usually, often, never, once a day, twice a week, three times a year等词时,常用how often 提问。

例如:How often does your brother go home? Twice a year.3.how soon指再过多久,主要对表示将来的时间进行提问,比如:in an hour, in three weeks例如:How soon will your father be back? In two weeks.4.how far 意为:多远,对距离进行提问例如:How far is it from your home to school? About four kilometers.5.加强训练共同选项:A. How far B. How long C. How soon D. How often(1) —______ will you come back? —In half an hour.(2) —______ can I keep the book? —For only a week.(3) —______ do you visit your parents? —Once a month.(4) —______ is the road? —Three kilometers.(5) —______ is the road from your school? —Three kilometers. / Ten minutes’ walk.(6) —Do you know ______ we will take part in the High School Entrance Exam?—Look at the blackboard. There are only forty days left.答案:CBDBAC。

howlong,howsoon,区别

howlong,howsoon,区别

howlong,howsoon,区别How soon, How ofen, How long的用法和区别1、how soon,一般用于将来时态,意思为“多久之后”,侧重某人某事能多快时间完成.后面回答用: in+”如“ in two days”“in five years”例如:A:How soon will he be back? 他要多久才回来?B:In an hour. 1 小时以后。

2、how long,表示多长时间,主要用来对一段时间(如three days, four weeks 等)提问例句:A:How long did he stay here? 他在这儿呆了多久?B:About two hours. 大约两小时。

How long 还表示“东西有多长”如:A: How long is the river? 这条河有多长?B: About 50 km. 大约50千米。

3、How often,它是一个对频率提出问题的疑问词,表示“多少时间一次或每隔多久”比如:once a week,three times a week (month 、ye ar……)例如:A:How often do you play table tennis? 你们多久打一次球?B:Once a month. 每月一次。

知识点补充:How far 的意思是多远,一般引导提问路程、距离的特殊疑问句例:How far is it from your home to school? 你家到学校有多远?练习题对划线部分提问1、It took me three hours to do my homework.__ __ __ __ __ __to do __ homework?2、He will come here in ten minutes.___ ___ will he ___ ____?3、Mary visits her parents once a week.____ ____ ____ _____ ____ her parents?4、It is five miles from the bookshop to the bus station. ————from bookshop to the bus station?5、There are two apples in my bag.___ ____ apples ___ ___ in ___ bag?6、The line is about six meters .___ ___ is the line?7、“______will he leave here?”“He will leave here in a month”A. How oftenB. How longC. How soonD. How many times8. “____does he watch TV”“Once a week.”A. How longB. How soonC. How oftenD. How many 9.I don’t know_______ he will get here.A. how longB. how soonC. how oftenD. how many10. “_____does he take this medicine?”“Twice a day.”A. How soonB. How longC. How muchD. How often11. “_______have you been at this factory?”“I have been here since 1993.”A. WhenB. How longC. How oftenD. What time a12. “________can you finish this work?”A. How oftenB. How soonC. How longD. How far13. “__________ will he stay here?”A. How many timesB. How oftenC. what timeD. How long14. _______does your sister write to your parents?A. How manyB. How often c. How long D. How far15. ________does it take you to finish you homework every day?A. How longB. How oftenC. How soonD. How much答案:1、How long did it take you /your 2、How soon/come here3、How often does Mary visit4、How far is it5、How many /are there /your6、How long7、C8、C9、B 10、D 11、B 12、B 13、D 14、B 15、A。

【易混点拨】:how long,how far,how o

【易混点拨】:how long,how far,how o

【易混点拨】:howlong,howfar,howoften和howsoon的区别1.howlonghowlong有以下两个意思:①表示时间多久,主要用来对一段时间提问for一段时间,half一段时间,threedays,fourwees 等。

如:A:Howlongwillhestayhere他将在这儿待多久B:Abouttwowees大约两个星期。

A:HowlongdoesittaetogettoBeijingfromhere从这里到北京要多长时间B:Abouttenhours大约要10个小时。

②提问单个事物本身的长度,与距离无关。

如:A:Howlongistheriver这条河有多长B:Aboutfivehundredilometerslong大约500千米长。

2.howfarhowfar强调两地之间的距离,在疑问句中一般会出现两个地点。

表示两地之间距离的常见短语有fiveilometers,tenminutes’wal10分钟的步行路程,threehours’ride3小时的车程等。

如:A:Howfarisyourhomefromschool你家离学校有多远B:Itisabouttenm inutes’wal大约10分钟的步行路程。

3.howoftenhowoften指每隔多久,主要用来对频度副词或状语提问如always,usually,often,sometimes,never,threetimesaday/wee/ month/year,以every开头构成的短语等。

如:A:Howoftendoeshecomehere他每隔多久来这儿一次B:Threetimesamonth每月三次。

A:Howoftendoesheetimes有时。

4、howsoonhowsoon指再过多久,主要用来对表示将来的一段时间如inanhour,intwowees等提问。

如:A:Howsoonwillhebebac他要多久才回来B:小时以后。

how类型的注释

how类型的注释

how类型的注释1.How long,意思是“多久”,指时间的长度,一般对for或since 引导的表示一段时间的状语提问。

如:- How long have you been in the Party?- Since 1998.2.How soon,意思是“多久才能”,“要到什么时候”,指将来,一般针对“in +一段时间”或soon 等将来的时间提问。

如:- How soon will he come back?–In three days.3.How often,意思是“隔多久一次”“是否经常”,指频率,一般针对once a week,three times a day,often,sometimes,never等频度状语提问。

如:-How often do you usually have an art class?–Once a week.4.How long/ wide/ tall/ deep/ far,意思是“多长/宽/高/深/远”,一般针对带有“数字+形容词”的内容提问。

如:-How deep is the river?-It’s about four meters deep.5.How many,意思是“多少”,针对可数名词的数量提问。

如:-How many books can I borrow?-Two.6.How much,意思是“多少钱”或“多少”,针对价格或不可数名词的数量提问。

如:-How much is that green dress?-Thirty dollars.又如:-How much meat do you want?- Half a kilo.7.How/what about doing?8.How +adj 其他表示感叹句9.how old 提问年龄10.how are you?问好。

how-long-how-far-how-soon-how-often-用法总结

how-long-how-far-how-soon-how-often-用法总结

how long,how often,how soon,how far用法总结1.Jason stayed here for two weeks.2.It takes me ten hours to get to London.3.The river is about 500 meters.4.He visits his mother once a week.5.Tom usually play basketball with his friends.6.He will be back in ten days.7.It is about two kilometers from my home to school.一、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“for+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 London 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:How long is the river? 这条河有多长? B:About 500 km. 大约500千米。

二、how often的用法how often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(如:always,usually, often, never或twice a day ,once a week, ,three times a month等)提问。

用英语表示多少次,除了一次(once)和两次(twice)外, 其他都用基数词+times来表示,三次“three times”,五次“five times”。

How long、how far、how often、how soon深入辨析

How long、how far、how often、how soon深入辨析

How long、how far、how often、how soon深入辨析
How long,how far ,how often,how soon这四个短语在对时间和距离提问时扮演着重要的角色。

具体的区别有哪些呢?一起往下看看吧!
1.首先,how long根据字面翻译为“多长”,没错!但这里的多长具体指什么呢?一般分为两种情况:第一种情况为对时间的提问,意为“多长时间”,一般对过去发生的时间提问,例如我们平时说的某件事花费了多长时间都可以用how long来询问。

其回答一般为时间段,如:for a day。

-How long did you stay here?
你在这里待了多久。

-For two hours.
两小时。

第二种情况可以用来提问具体物体的长度。

例如:
-How long is the board?
这条木板有多长?
-About one meter.
大约一米。

英语常用易混淆单词词组的区别用法(汇总2)

英语常用易混淆单词词组的区别用法(汇总2)

英语常用易混淆单词词组的区别用法汇总2一、how soon和how long的区别用法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。

how long 指多长时间,主要用来对一段时间(如:three days, four weeks 等)提问。

1 how soon和how long的区别一、时态的应用不同1、how soon意为“还要多久”,是对从某个基本时间到将来某动作结束或某动作发生这段时间提问,常用在一般将来时态的句子中。

例句:How soon can you get hold of that young man?你多快可以找到那个年轻人?2、how long意为“多久、多长时间”,可用于各种时态。

例句:It was up to him to make it right, no matter how long it took由他负责把事情摆平,不管花多长时间。

二、回答的不同1、how soon意为“还要多久”常用在一般将来时态的句子中,其答语通常是“in + 一段时间”。

2、how long的答语通常是(for)three days/weeks/months等时间段。

三、侧重点不同1、how soon侧重某人某事能多快时间完成。

例句:How soon you forget your own past, raymond.你这么快就忘记了自己的过去了,雷蒙德。

2、how long侧重对一段时间(如three days, four weeks 等)提问例句:How long can the present business boom last?目前这种商业繁荣能持续多久?2 how soon和how long的用法一、how soon的用法how soon意为“还要多久”,是对从某个基本时间到将来某动作结束或某动作发生这段时间提问,常用在一般将来时态的句子中,其答语通常是“in + 一段时间”。

How long(soon, often, far, old, much, many)的区别

How long(soon, often, far, old, much, many)的区别

How long(soon, often, far, old, much, many)的区别How do you go to the cinema?A.soonB.oftenC.long(应该是how soon、how often还是how long?)1、How long有两个意思:多久;多长(1)指时间表示“多久,多长时间”,一般用来对“for+一段时间”、“since+时间点”进行提问:①I stayed there for two weeks last year. 我去年在那里呆了两个星期。

→How long did you stay there last year? 你去年在那里呆了多久?②I have been waiting here since 3 o’clock. 我自从三点钟就在这儿等了。

→How long have you been waiting here? 你在这儿等多久了?(2)指长度表示“多长”,注意不是指距离。

③This river is more than 300 kilometers long. 这条河流有三百多公里长。

→How long is this river?这条河流有多长?2、how soon 意思是“多快”,一般用来对“in+一段时间”进行提问,注意此时的“in”表示“在……以后”,句子用一般将来时态。

如:④He will come back in two weeks.他会在两个星期以后回来。

→How soon will he come back.他多快就能回来?3、how often意思是“多久一次”,一般用来对表示频度的副词或短语如always (总是)、every day(每天)、twice a week(一周两次)等提问。

如:⑤He goes to the cinema every week.他每个星期都要去看电影。

→How often does he go to the cinema? 他多久看一次电影?。

how far .how long .how soon .how often .这四个短语有什么区别呢?

how far .how long .how soon .how often .这四个短语有什么区别呢?

how far .how long .how soon .how often .这四个短语有什么区别呢?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, four weeks 等)提问。

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:How long is the river? 这条河有多长?B:About 500 km. 大约500千米。

二、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 a week, 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:in an hour, in two 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. 我不知道。

四.How far 和How long 的区别持续多长时间(多久)how longHow long have you been here?For five months.长度(多长)how longHow long is the bridge?It’s 500 metres.距离(多远)how farHow far is it from here to the zoo?It’s 6 kilometres。

how soon、how often、how long、how far等用法

how soon、how often、how long、how far等用法

一、how soon、how often、how long、how far、1、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 will he come back?--________.A、After three days B.In a week C.On Friday D.Next month英文中的how soon通常对将来时间in+时间长度提问,ACD是通常用when提问的,故选B。

举一反三:When did Kate write back to you ?(回信)Kate wrote back to me after three days.2、---How long have you been in London? ---_________.A.Three times B.I was there for a weekC.I’d been there for a month D.I’ve just arrived试题分析:你在伦敦待多久了?我刚到。

How long对一段时间进行提问,问句时态是现在完成时,答语也要用现在完成时。

故选。

3、how often (表频率)多久一次/ 隔多久,提问动作频率时使用。

— How often are the Olympic Games held?— ______ four years.A. EveryB. EachC. In (一般将来)D. For(完成时)试题分析:every four years,表示每四年,每隔三年,表示频率的。

每隔一天every two days;every other dayI have a bath every other day.我每隔一天洗澡。

4、how long 多长时间①---How long have you been in London? ---_________.A.Three times B.I was there for a weekC.I’d been there for a month D.I’ve just arrived试题分析:句意:你在伦敦待多久了?我刚到。

how soon和how long的用法

how soon和how long的用法

how soon和how long的用法随着社会进步,英语作为一种国际性语言已经被用于各个领域,从文学到商业,从传媒到科技,英语都被广泛使用。

作为一种有组织的语言,英语在表达话语时也有许多优势,如准确性和灵活性,以及多种表达方式。

在英语中,有两个用来表示时间的词how soon和how long。

它们的用法和意义是不同的,因此,在用英语表达和理解时间时,掌握它们的用法就很有必要。

下面,将介绍这两个常见的问句的用法,以及它们的不同之处。

首先,我们来看一下how soon的用法。

它的意思是“多快”或“多久后”。

这可以引出一个具体的时间点,如“你什么时候回来?”可以问“When will you be back?”者How soon will you be back?”问这个问题时,回答者可以提供一个具体的时间,如“I will be back in an hour.”另一个表达时间的词是how long。

它不是指一个具体的时间,而是指持续的时间。

一般来说,我们使用how long来询问某事发生了多长时间。

例如,如果有人离开了这个城市,你可以问“How long have you been away?”这种情况下,回答者可以提供一个长度,例如“I have been away for two weeks.”对于how soon和how long的用法,读者也许还会碰到另外一种表示时间的句子,那就是“How long will it take?”里只需要注意,这句话本质上是询问一个持续性的时间,因此,它也使用how long来构成。

例如,如果要询问一段旅程需要多长时间,你可以说“How long will it take to get there?”总之,how soon how long都是常见的英语句子,用来表达时间。

它们的用法不同,how soon意思是“多久后”,用来询问一个具体的时间点,而how long的用法是“多长时间”,用来询问某段时间的长度。

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高中英语知识点大全(69):how long/soon/far
1、how long/ how soon/ how far/ how often
(1)how long 多久。

表示一段时间,句中的动词应是延续性的。

是对for 或since等所表示的时间状语的提问。

—How long have you lived here ?你在这里住多久了?
①—For three years. 3年了。

②—Since 1997. 从1997年至今。

③—Since I graduated from college. 从大学毕业至今。

(2)how soon (将来)多久;(过)多久(以后)。

是对in 所表示的时间状语的提问。

—How soon can you finish the work? 多久你能完成这工作?
—In three hours. 3小时后。

(3)how far 多远。

用来提问距离。

—How far is your hometown from here? 你家乡离这里多远?
—Twenty kilometres. 20公里。

(4)how often (每隔)多久;多经常。

用来提问频度。

—How often do you usually go home? 你多久回家一次?
—Twice a month. 一个月两次。

2、瞬时动词come/ go/ leave/ start/ arrive/ buy/ die/ join/ borrow/ marry等不能与表示一段时间的状语连用
如how long, for 和since所表示的时间。

①他去世三年了。

不能说:He has died for 3 years.
而应说:He has been dead for 3 years.
He died 3 years ago.
It is 3 years since he died.
②他参军多久了?
不能说:How long has he joined the army?
而应说:How long has he been in the army?
How long has he been a soldier?
How long is it since he joined the army?
3、however adv. 然而;但是
表示转折,起承上启下的作用。

本身具有相对的独立性,通常逗号与句子其他部分隔开。

①He likes singing. He can’t sing very well, however. 他喜欢唱歌,然而唱不好。

②He didn’t agree with me ; however, he said nothing. 他不同意我的看法,但他什么也没说。

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