➡Samuel started keeping a diary in 1997.-Samuel has
We started leaming English five years ago.-We have
I began living in Ho Chi Minh City when I was 8.-I have
1. She has taught the children in this remote village for five months.
She started
2. He has written to me since April.
The last time
3. She hasn't had a swim for five years.
➡She last
4. They last talked to each other two months ago.
➡ They haven't
5. The last time she saw her elder sister was in 1999.
She hasn't
➡She hasn't written to me for years.-It's years