`a)`I haven’t heard him since August.
`->` The last time I heard him was in August.
`b)` I haven’t seen him since I was a student.
`->` I last saw him when I was a student.
`=>` Cấu trúc chung :
The last time + S + V2 was + khoảng thời gian + ago
`=` S + last +V2+ khoảng thời gian + ago
`=` S + have/ has not = haven't/ hasn't + V2 + for + khoảng thời gian
`=` It's + khoảng thời gian + since + S + V2
`=` The last time + S + V2 + was + mốc thời gian trong quá khứ
`=` S + last + V2 + thời điểm trong quá khứ
Áp dụng cấu trúc đó để làm các bài tập dưới :
`1.` I haven’t played football since 1970.
`=>` The last time I played football was in `1970.`
`2.` We haven’t seen Tom since he moved to Bristol.
`=>` We last saw Tom when he moved to Bristol.
`3.` It hasn’t rained for a fortnight.
`=>` The last time it rained was fortnight ago.
`=>` It last rained was fornight ago.
`4.` Lucy hasn’t worn that dress since Barbara’s wedding.
`=>`The last time Lucy wore that dress was in Barbara's wedding.
`5.`My father hasn’t been to Vung Tau for 2 years.
`=>` The last time my father went to Vung Tau was `2` years ago.