Please help :((
Complete the sentences with the correct form of the verbs in brackets
1. Rosetans liked the fact that they ___ (live) in large families.
2. Children were aware that they ___ (have to) take care of their parents one day.
3. Life was predictable, people knew what they ___ (do) when they ___ (get) old.
4. Everyone knew what ___ (happen) in the community the day before.