- Joined
- Mar 4, 2017
- Member Type
- Student or Learner
- Native Language
- Chinese
- Home Country
- Taiwan
- Current Location
- Taiwan
"Case 3" was a written statement. It isn't going to change so I'd use the simple present.
In Case 3, the speaker says "What did ... ?"
Could you tell me why you use "was "? How about "is"?
I have a question.
In this case,
a. Could you tell me why you use "was"?
b. Could you tell me why you used "was"?
c. Could you tell me why you are using "was"?
d. Could you tell me why you were using "was"?
e. Could you tell me why you have used "was"?
Which one would you use (and why)?
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