1.It is ten years since my brother last drank beer
⇒My brother hasn't drunk beer for 10 years
2.The last time I drank beer was two weeks ago
⇒I haven't drunk beer for 2 weeks
3.I started to collect stamps four years ago
⇒I have collected stamps for 4 years
4.He began to teach English five months ago
⇒He has taught English for 5 months
5.They began working as a nurse two weeks ago
⇒They have worked as a nurse for 2 weeks
6.She started learning French when she was 10
⇒She has learnt French when she was 10
7.I have taught in this school for 12 years
⇒I started to teach in this school 12 years ago
8.He has slept for two hours
⇒He began sleeping 2 hours ago
9.I last saw her brother two years ago
⇒I haven't seen her brother for 2 years
10.They last ate the food six months ago
⇒They haven't eaten the food for 6 months
11.He last visited his uncle when he was in Hanoi (câu này bị lỗi tí nha)
⇒He hasn't visited his uncle when he was in Hanoi