S + LAST + VED + TIME+ AGO

2. S + last + Ved + time+ ago: Lần cuối cùng làm gì=> S + have/ has +not+ for + time=> It’s + time+ since + S + last + Ved.=> The last time + S + V ed+ was + time + ago. Ví dụ: It last snowed 2 weeksago.=> It hasn’t snowed for 2 weeks=> It’s 2 weeks since it last snowed.=> The last time it snowed was 2 weeks ago.