从句,这里为什么Would you mind if I open the door?是固定搭配吧?为什么不能用wheth

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/05/17 03:34:58

从句,这里为什么
Would you mind if I open the door?是固定搭配吧?为什么不能用whether代替if?不能用whether代替if的情形有哪些呢?

1）在引导主语从句时,一般用whether,而不用if.
例如 Whether the German engine was the first to fly is not clear.
并不清楚是否是德国发动机首先用于飞机的.
备注在口语中,if也可以用于主语从句,但必须放句尾,看似是个宾语或表语从句.
2）在引导宾语从句时,一般情况下whether和if可以通用.
例如 The policeman asked if / whether I had seen the accident.
警察问我是否看见这场事故.
3）只用whether的情况
例 1 He asked whether I wanted to go by air or by sea.
他问我是想坐飞机还是坐船去.
（从句中含有or,强调选择,这里只宜用whether）
例 2 He asked whether or not I wanted to insure my luggage.
他问我是否想给行李保险.
（只有whether后面可以直接跟 or not）
例 3 Bill asked whether,if I got the job,I’d move to New York.
比尔问我如果找到工作,是否要搬到纽约去.
（宾语从句中包括一个if从句,则宜用whether）
例 4 We discussed whether we should go there.
我们讨论了我们是否应该去那里.
（在discuss等动词后,只能用whether）

Would you mind if I opened the window?中open为什么要用过去式? Would you mind if I open the door?It's really hot inside.A Y Would you mind if I open the door a little wider?____. would you mind ____ the door open?为什么不选C.麻烦详细解释下.谢谢了 do you mind if i open the door还是opening WOULD YOU MIND ____( OPEN) THE DOOR 1.Would you mind if I opened the door? 英语would you mind if i closed the door A：Would you mind if I open the window? Would you mind if I open the window? no matter when you come.the door is open to you 这里为什么是open呢? would you mind if l keep the door open?( ).a.yes.do it b.no.