Изберите подходящую форму глагола (Present, Past, Future Simple или Present, Past,

Изберите нужную форму глагола (Present, Past, Future Simple либо Present, Past, Future Perfect).
1. I didnt have/havent had a holiday for two years.
2. They produced/have produced
2000 cars this year.
3. When I arrived at the office, the meeting started/had started.
4. I was nervous because I never gave/had never given a presentation.
5. The talks will finish/will have finished by 11. 15.
6. I will pay/have paid off the loan by the end of the year.