Раскройте скобки,употребляя необходимую форму глагола (образуйте отрицательную и вопросительную формы):
1.The lektures usually (to begin) at 12.00.
2. Yesteday we (to meet) my friend.
3. You (to go) to the South next summer?
4. Ann (to live) with her parents.
5. When he (to call) I (to give) him a piece of advice.