how的用法有哪些？

Question

如题所述

Answer 1

1. how old“（年纪）多大”，询问年纪、岁数。如：
---How old is your sister? 你妹妹多大？
---She’s four years old. 她四岁。
2. how many“多少”，问可数名词的数量，其后接可数名词的复数形式。
I have 5 pens. (对话线部分提问)
→ How many pens do you have?
3. how much“多少”，问不可数名词的数量，其后接不可数名词。如：
How much water is there in the bottle? 瓶子里有多少水？
问价钱时直接用how much。如：
---How much are these things? 这些东西多少钱？
---45 yuan. 45元。
4. how often“多久一次，多常”，询问动作发生的频率。其答语部分或划线部分可能是：
1) 频度副词:always, usually, often, sometimes, hardly ever, never等。如：
Sometimes I go to the movies with my parents.( 对话线部分提问)
→How often do you go to the movies with your parents?
2）表示频度的副词性短语：every day, every three months, once a week, four times an hour等。如：
---How often did your father have a rest? 你父亲多久休息一次？
---Every three hours. 每隔两小时。
5. 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。
6. how soon“多久，多快”，询问动作在将来要经过多长时间才会发生。其答语部分或划线部分可能是：in + 时间段。如：
He’s going to Zhengzhou in two days. (对话线部分提问)
→How soon is he going to Zhengzhou？
7. 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？