`1.` I visited my grandparents last weekend.
- Thì QKD: last weekend
- S + V2/V-ed + ....
`2.` In the morning, we went on a picnic.
- Thì QKD: In the morning
- S + V2/V-ed + ....
`3.` Did she watch cartoon on TV last night?
- Thì QKD: last night
- Did + S + V(o) + ...
`4.` What did you do at the funfair?
- Thì QKD
- Did + S + V(o) + ...
`5.` Did you go to birthday Hoa's party?
- Thì QKD
- Did + S + V(o) + ...