Supply the correct tenses. ?

1.A- You are not English, are you?
2.B- No, i am Italian.
3.A- How long have you been in England?
4.B- I've been here for 6 months.
5.A-have you been to London before?
6. B- I've been there during the Cristmas holiday.
7.A-do you like England?
8.B- Yes,but the weather is very cold. I didn't have a warm day since I've left Italy.
9.A- You English is good. How long have you studied English?
10.B- For 4 years, since I was 15.

1.A- You ARE not English, ARE you? (PRSENT SIMPLE)
2.B- No, i AM Italian. (PRESENT SIMPLE)
3.A- How long... HAVE YOU BEEN TO England?(PRESENT PERFECT)
4.B- I 'VE BEEN here for 6 months. (PRESENT PERFECT)
5.A-.HAVE YOU BEEN to London before? (PRESENT PERFECT)
6. B- I /VE BEEN there during the Cristmas holiday.(PRESENT PERFECT)
7.A-DID YOU LIKE England?(PAST SIMPLE)
8.B- Yes,but the weather WAS very cold. I DIDN/T HAVE a warm day since I HAD LEFT Italy. (PAST SIMPLE, PAST SIMPLE, PAST PERFECT)
9.A- You English IS good. How long HAVE YOU BEEN STUDYING English?(PRESENT SIMPL, PRESENT PERFECT CONTINUOUS)
10.B- For 4 years, since I WAS 15. (PAST SIMPLE)

A- You are not English, are you?
B- No, I am Italian. (или I'm Italian)

A- How long have you been in England?
B- I have been here for 6 months. (или I've been...)

A-. Have you been to London before?
B - I have been there during the Cristmas holiday. (или I've been...)

A- Do you like England?
B- Yes,but the weather is very cold. I haven't had a warm day since I left Italy.

A- YOUR English is good. How long have you been studying English?
B- For 4 years, since I was 15.