`1` I have visited this city since last year
`=>` S + started to - V / Ving + O + thời gian trong quá khứ
= S + has / have + Vpp + O + since + time
`2` He hasn't played tennis for three months
`=>` S + last + Ved / V2 + O + time + ago
= S + has / have + Vpp + O + since + time
`3` They have eaten durians since they were five
`=>` S + started to - V / Ving + O + thời gian trong quá khứ
= S + has / have + Vpp + O + since + time
`4` I have watched the football match since 7 o'clock
`=>` S + began to - V / Ving + O + thời gian trong quá khứ
= S + has / have + Vpp + O + since + time
`5` How long have they learned to swim ?
`=>` When + did + S + V + O ?
= How long + have / has + S + Vpp + O ?
`6` She lived here in `2010 `
`=>` S + has / have + Vpp + since + time
= S + Ved / V2 + in + time
`7` We bought our car two years ago
`=>` S + has / have + Vpp + since + time
= S + Ved / V2 + in + time
# Rítttt 🍉 (ㆁωㆁ)
