Сwrite questions with how long and the present perfect form of the given verbs. 1 you/english? (learn) 2 your teacher/here? (work) 3 you/your best friends? (know) 4 you/at this school? (be) 5 your best friend/in this town? (live) 6 you/your mobile phone? (have)

1. How long have you learnt English?
2. How long has your teacher worked here?
3. How long have you known your best friends?
4. How long have you been at school?
5. How long has your best friend lived in this town?
6. How long have you had mobile phone?