-could you tell me () at that time?-I was Watching TV at home.-could you tell me () at that time?-I was Watching TV at home.A.what you were doingB.what were you doingC.what are you doingD.what you are doing为什么不是B啊..【could在这里不是过去时了麽,为什么问句中可以出现两个过去时的单词?】
问题描述：
-could you tell me () at that time?-I was Watching TV at home.
-could you tell me () at that time?
-I was Watching TV at home.
A.what you were doing
B.what were you doing
C.what are you doing
D.what you are doing
为什么不是B啊..【could在这里不是过去时了麽,为什么问句中可以出现两个过去时的单词?】
答
b是错的因为在宾语从句中从句要用陈述语序，且这问句要前后时态一致
答
A
因为是从句,是陈述句啊,B是一个疑问句
could是can的客气说法.