Giúp em với ạ cần gấp Lam

`1.` It's over `3` months since Tom last had his hair cut.

`2.` It is `2` years since my father last went to Ha Noi.

`3.` It is years since I last enjoyed myself so much.

`4.` It is `2` years since we last ate this kind of food.

`5.` It is hours since Mary last rang.

`6.` It is `4` years since we last saw him.

`7.` I haven't gone to see them for over a year.

`8.` I haven't played football for more than ten years.

`---------------------`

`-` Cấu trúc bài trên:

`-` S `+` have/has `+` not `+` Ved/C3 `+` for `+` khoảng thời gian

`->`Ai đó/ sự vật gì/ hiện tượng gì đã không … trong khoảng …

`=` It's `+` khoảng thời gian `+` since `+` S `+` last `+` Ved/C2

`->` Đã bao lâu kể từ khi ai đó làm gì lần cuối ...