the present perfect

She last visited her home country ten years ago.

• She hasn't visited her home country for ten years.

• She didn’t visit her home country ten years ago.

• She has visited her home country for ten years.

• She was in her home country for ten years.

The last time she came back to her hometown was 4 years ago.

• It's 4 years since she last lived in her hometown.

• She didn't come back to her hometown 4 years ago.

• She started coming back to her hometown 4 years ago.

• She hasn’t come back to her hometown for 4 years.

He started working as a bank clerk 3 months ago.

• He last worked as a bank clerk 3 months ago.

• He didn't work as a bank clerk 3 months ago.

• He has been working as a bank clerk for 3 months.

• The last time she worked as a bank clerk was 3 months ago.

It is a long time since we last met each other.

• We haven't met each other for a long time.

• The last time we met each other is a long time ago.

• We last met each other for a long time.

• We started meeting each other a long time ago.

I last had my hair cut in November.

• The last time I had my hair cut was since November.

• I haven't had my hair cut since November.

• I didn't have my hair cut in November.

• I started having my hair cut in November.

This is the first time I have had such a delicious meal.

• I haven't had such a delicious meal before.

• This is the most delicious meal I have ever had.

• I didn't have such a delicious meal.

• I didn’t have such a delicious meal before.

She has been working as a teacher for 5 years.

• She hasn’t been working as a teacher for 5 years.

• She began working as a teacher 5 years ago.

• It is 5 years since she last worked as a teacher.

• The last time she worked as a teacher was 5 years ago.

I haven't met my grandparents for five years.

• I often met my grandparents five years ago.

• I last met my grandparents five years ago.

• I have met my grandparents for five years.

• I didn't meet my grandparents five years ago.

He last visited London three years ago.

• He has been in London for three years.

• He hasn't visited London for three years.

• He didn't visit London three years ago.

• He was in London for three years.

I haven't visited my hometown for a few years.

• I have been in my hometown for a few years.

• I last visited my hometown a few years ago.

• I didn't visit my hometown a few years ago.

• I was in my hometown for a few years.