1-5: hình
6, It's 4 years since I last saw him
7, I haven't gone to see him for over a year
8, I haven't played football for more 10 years
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Công thức:
S + last + Ved + time+ ago
=> S + have/ has +not+ for + time
=> The last time + S + V ed+ was + time + ago.
=> It’s + time+ since + S + last + Ved.