how long how far区别?

how long how far区别?
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恰个樱桃

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how long  how far区别?
 
一、how far
how far 问路程“多远”; 
How far is it from here to school? 从这儿到学校有多远
How far 的意思是多远,一般引导提问路程的特殊疑问句
例:How far is it from your home to school? 你家到学校有多远?
 
二、how long
how long 是问(时间)“持续多久”,常与现在完成时或一般将来时连用。
A:How long have you had it? 你拥有它多长时间了? 此句中的had不可换成bought。与How long连用的动词必须是“延续性动词。” eg. How long have you been here? 你在这儿多久了? How long have you been in the army? 你在部队服役多久了? 
 
1)how far 、how long和how soon, how far, how often比较
 how soon 意为(从现在起)再过多久,句子一般用将来时; 
how far 问路程“多 远”;
how often 是问频率“间隔多久(一次)”;
how long 是问(时间)“持续多久”,常与现在完成时或一般将来时连用。 eg. How soon can you finish the work? 再过多久你能完成这项工作? How far is it from Beijing to Guangzhou? 从北京到广州有多远? ;How often do you go to see your grandparents? ;I go to see them every three weeks. ;你多长时间去看一次你的祖父母? ;每隔三周去一次。 How long are you going to stay in Shanghai? 你将在上海呆多久?
how long how far区别?
 
How far 和How long 的区别是含义不同,How far 一般指距离的长短,而How long一般指时间和长度的多长。
 
How long的含义有两个:

1.指持续多长时间(多久)

例如:How long would you stay with us?  

你能在我们这里呆多长时间?
 
2.指长度(多长)。

例如:  -How long is the bridge?   -It’s 500 metres.  

-这座桥多长呢?-500米长。
 
How far 指距离(多远)。

例如:How far should we expect the drunk to be?

我们应该希望这个酒鬼走了多远?
 
1.how long“多长”,询问动作在时间上所持续的长度.其答语部分或划线部分可能是:

1)“for + 时间段”,有时可能没有介词for.如:

---How long did he wait for you here?他在这儿等了你多久?
--- For two hours.两个小时.
It took him 20 minutes to finish his homework.(对话线部分提问)
→How long did it take him to finish his homework?

2)“since + 具体时间”,“since + 时间段 + ago”或者“since + 从句”.如

---How long are you feeling like this?像这样已经多久了?
---Since last night.从昨晚到现在.

3)表示时间的between…and…,from…to…等介词短语.如:
They were playing football from 9:00 to 10:00 yesterday.(对话线部分提问)
→How long were they playing football yesterday?
另外,how long也可以询问某事物的具体长度.如:
---How long is the desk?这张桌子有多长?
---1.2 meters.1.2米.

2.how far“多远”,询问路程、距离.如:
How far is it from here to school?从这儿到学校有多远

洛城MK

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how long how far区别?
 1. how long“多长”,询问动作在时间上所持续的长度。howlong:时间的长短
 
2. how far“多远”,询问路程、距离。 howfar:距离的长短  如:
How far is it from here to school? 从这儿到学校有多远
 
How long的含义有两个:

1.持续多长时间(多久)。

例如:How long would you stay with us?  

你能在我们这里呆多长时间?

2. 指长度(多长)。

例如:  -How long is the bridge?   -It’s 500 metres.  

-这座桥多长呢?-500米长。
 
How far 指距离(多远)。

例如:How far should we expect the drunk to be?

我们应该希望这个酒鬼走了多远?

Allen_ALL

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how long how far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?
 
例:How long ago was it? 这是多久前的事了?
 
2. how far 指多远,主要表示距离
 
例:How far is it from school to home?
 
How far的用法
1、How far can you throw? 
你能扔多远?
2、No matter how far it is, I'll go there anyhow. 
什么远不远的,我去定了。
3、But it is not clear how far they could help with the work on a power plant. 
但他们在电厂工程中能给予多少帮助尚不清楚。
4、You can only judge how high something is when you know how far away it is 
知道了某物的距离才能判断其高度。
5、Think of how far we have come in a little time 
想想我们在短短的时间内取得如此大的进展。

How long的用法

1、How long have you been employed at this job? 
你受雇做这个工作有多久了?
2、How long did you stick it for? 
你坚持了多久?
3、How long have you lived around here? 
你住在这一带有多长时间了?
4、How long have you been a smoker? 
你抽烟多久了?
5、How long has he been away? 
他去多久了?

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