what time和when的区别为：指代不同、侧重点不同、引证用法不同
一、指代不同
1、what time：几点。
2、when：什么时候。
二、侧重点不同
1、what time：侧重于表示时间的点。
2、when：when表示的时间范围广。
三、引证用法不同
1、what time：what用作疑问代词时，其基本意思是“什么，什么东西，什么事情”，用作疑问句，为特殊疑问句的一个标志。
2、when：when的基本意思是“什么时候”。可用作疑问副词，用来询问某事曾发生或将要发生的时间，引导特殊疑问句; 还可用作关系副词引导限制性定语从句、非限制性定语从句和表语从句，表示“是…时候的事”。
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第1个回答 推荐于2017-11-26
when与what time都可以用来询问时间,相当于汉语的“什么时候”,它们有时能相互通用,但在多数场合下却不能通用。
它们之间的异同点主要有三点;
一、询问做某事的具体时间(钟点)时,两者可以互换。
如:When/What time do you usually have breakfast?你通常什么时候吃早饭?
When/What time does your father go to work?你的父亲什么时候去上班?
二、询问钟表所表示的具体时间(钟点)时,只能用what time而不能用when。
如:Excuse me,what time is it?/Excuse rne,what's the time?请问,现在几点了?
What time is it by your watch?你的表几点了?
三、询问事件发生的年份、月份、日期等非钟点性时间时只能用when而不能用what time。
如:When is your birthday?你的生日在哪一天?
When do we have an English party?我们什么时候举行英语聚会？本回答被网友采纳
它们之间的异同点主要有三点;
一、询问做某事的具体时间(钟点)时,两者可以互换。
如:When/What time do you usually have breakfast?你通常什么时候吃早饭?
When/What time does your father go to work?你的父亲什么时候去上班?
二、询问钟表所表示的具体时间(钟点)时,只能用what time而不能用when。
如:Excuse me,what time is it?/Excuse rne,what's the time?请问,现在几点了?
What time is it by your watch?你的表几点了?
三、询问事件发生的年份、月份、日期等非钟点性时间时只能用when而不能用what time。
如:When is your birthday?你的生日在哪一天?
When do we have an English party?我们什么时候举行英语聚会？本回答被网友采纳
第2个回答 2014-02-28
what time常用来问钟点，而when除了问钟点外，还可用来问日期，月份，年份等。有时两者可以换用，有的场合不可以。
1.问钟点时，可以换用。
When do you go to school?
What time do you go to school?
2.问日期，月份，年份等，只能用when
When were you born? I was born on July 2,1972.
3,当问某事在某天的什么具体时间进行，只能用what time
What time did you call this afternoon?
I called at 4:00 this afternoon.
另注:
when :
一,副词 ad.
1.(用作疑问副词)什么时候,何时
I'd like to know when they'll let him out.
When did you last see Margaret?
2.(用作关系副词,引导关系从句)当...时
There were times when I didn't know what to do.
二,连接词 conj.
1.当...时
John got engaged to her when travelling last winter.
Don't get excited when you talk.
2.既然,考虑到
How can he get the promotion when his boss dislikes him?
3.虽然,然而
I had only fifteen dollars on me when the book I wanted cost twenty.
4.在那时,然后
三,代词 pron.
1.什么时候,那时
Since when has she taught here?
四,名词 n.
1.(事件发生的)时间[the S]
what time:
什么时间 问具体时间，如几点钟
例: What time is it now?
What time is suitable for us to meet?
1.问钟点时，可以换用。
When do you go to school?
What time do you go to school?
2.问日期，月份，年份等，只能用when
When were you born? I was born on July 2,1972.
3,当问某事在某天的什么具体时间进行，只能用what time
What time did you call this afternoon?
I called at 4:00 this afternoon.
另注:
when :
一,副词 ad.
1.(用作疑问副词)什么时候,何时
I'd like to know when they'll let him out.
When did you last see Margaret?
2.(用作关系副词,引导关系从句)当...时
There were times when I didn't know what to do.
二,连接词 conj.
1.当...时
John got engaged to her when travelling last winter.
Don't get excited when you talk.
2.既然,考虑到
How can he get the promotion when his boss dislikes him?
3.虽然,然而
I had only fifteen dollars on me when the book I wanted cost twenty.
4.在那时,然后
三,代词 pron.
1.什么时候,那时
Since when has she taught here?
四,名词 n.
1.(事件发生的)时间[the S]
what time:
什么时间 问具体时间，如几点钟
例: What time is it now?
What time is suitable for us to meet?
第3个回答 2014-02-28
what time什么时间：一般问几点（几分）
when什么时候：一般问的是什么时候……
What time is it by your watch?你手表几点了？
When will they arrive?他们什么时候回来？
when什么时候：一般问的是什么时候……
What time is it by your watch?你手表几点了？
When will they arrive?他们什么时候回来？
第4个回答 2019-04-18
what time和when的区别
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