СРОЧНО НАДО!Обусловьте, к какому типу письма формальному (F) либо неформальному (I)

Безотлагательно Надобно!
Обусловьте, к какому типу письма формальному (F) или неформальному (I) принадлежит предложение. Заполните таблицу:

1. I would be grateful if you could send me further information concerning your summer courses in computer programming.
2. Thank you in advance for your help, and I look forward to hearing from you.
3. I am writing to say how sorry I am for the misunderstanding.
4. We would like to apologies for any inconvenience this may have caused.
5. Well, that's all my news for now. Write back soon.
6. Thank you again for the invitation and I hope we can get together some other time.
7. I look forward to meeting you to discuss employment opportunities.
8. I am writing to inform you that you have been accepted for the course in Reception Skills.
9. I hope my advice is useful, and let me know how everything turns out.
10. Would you like to go for a picnic with John and me on Sunday?