When did you watch video last time?
I watched video yesterday
Where did you go shopping last time?
I go shopping to central shopping mall last time
When did you give someone a present last time?
Last Sunday
Did you take some photos yesterday?
No, I didn’t
Did you send letter last month?
Yes,I did!
Where did you see your friend last time?
I saw him at restaurant
Have you already discussed a difficult problem with your friend?
No, I haven’t
Did you already buy a coat?
Yes, I did