`e)` My friends started playing football when they were young.
`c)` It's years since I last enjoyed myself so much.
`a)` It's two years since she last went out with him.
`b)` I haven't gone to Ho Chi Minh City for two years.
`c)` He hasn't had his eyes tested for ten years.
`d)` I haven't read that book since November 20th.
`e)` I last saw her in 2010.
`a)` This is the first time I have eaten this kind of food.
`b)` This is the first time my fther driven a car.
`c)` I have never seen him before.
`d)` This is the first time I have eaten with knives and folks.
`e)` I have never visited Ha Noi before.
* Cấu trúc :
`1.` S + last + V2/ed + time + ago
`=`S + have/has not + Vpp + since/for + time
`=`It's + time + since + S last + V2/ed
`=`The last time + S + V2/ed + was + time + ago
`2.` S + have/has never + Vpp + before
`=`This is the first time + S + have/has + Vpp
`3.` S + began/started + Ving/ to V + time
`=`S + have/has + Vpp + since/for + time