`1`, went
`2`, was swimming
`3`, was drinking
`4`, saw
`5`, was
`6`, was beating
`7`, asked
`8`, told
`9`, stayed
`10`, had
`-` Thì QKĐ: S + V-ed + O
S + didn't + Vbare + O
`-` Thì QKTD: S + was/were + (not) + V-ing + O
`-` Cấu trúc "hành động chen ngang": While/when + QKTD, QKĐ.
@Me and You