1. I have been studying English for five years.
2. I have had two mobile phones since I was 12.
3. She has been studying every evening for the exam next week.
4. He have had three different teachers this year.
5. We have taken four exams in last month.
6. I have been reading a lot since September.
Объяснение: Present Perfect Simple используется тогда, когда у нас нет определенного времени, но это когда- то было.
Present Perfect Continuous используется тогда, когда действие длится в течение какого-то времени
