1. I last saw him two years ago.

2. She began to play volleyball when she was eight.

• She has been playing volleyball since she was eight.

3. I have taught English at Nguyen Khayep school for sixteen years.

• I started to teach English at Nguyen Khayep school sixteen years ago.

4. We haven't met each other for three years.

• It's three years since we last met each other.

5. I haven't been to the dentist's for two years.

• It's two years since I last went to the dentist's.

6. It's three months since she started learning French.

• She has been learning French for three months.

7. When did you start learning English?

• How long have you been learning English?
• How long ago did you start learning English?

1. I haven't seen him for two years.
2. She has been playing volleyball since she was eight.
3. I started teaching English at Nguyen Khuyen school sixteen years ago.
4. It's three years since we met each other.
5. It's two years since I went to the dentist's.
6. She has been learning French for three months.
7. How long have you been learning English?