Помогите раскрыть скобки:Внедрение формы глаголов Present Indefinite or the Present

Помогите раскрыть скобки:
Внедрение формы глаголов Present Indefinite or the Present Perfect.
1. As a rule I (to have) ham and eggs for breakfast, but this time I (to order) an omelet.
2. This is the house where I (to live). I (to live) here since childhood.
3. Once in a week I (to write) letters home, but I (not to write) one this week, so my next letter must be particularly long.
4. Where (to be) your monitor? "She (to go)" to the library.
5. I regularly (to see) him every morning at the tram stop, but I (not to see) him these two or three days.
6. It (to be) cold in winter in Moscow as a rule? - Yes, generally it (to be), but this winter (to be) exceptionally warm.
7. Why you (not to shave) in the morning?-I (to shave) every other day.