1. We stared living here fifteen years ago.
=> We have______________________________________________________
2. When did you begin to learn English?
=> How long_____________________________________________________?
3. I last wrote a letter to my aunt in May.
=> I haven’t______________________________________________________
4. Mr. Minh began to collect stamps in 2000.
=> Minh has______________________________________________________
5. Mary started learning French last year.
=> Mary_________________________________________________________
6. The last time I saw her was in 2000.
=> I haven’t________________________________________________