1. Nobody KNEW anything about these people last year, nobody KNOWS anything about them now.
2. When we came back, we saw that the Browns WERE REBUILDING their garage.
3. I got out of the car and SAW a strange woman who WAS STANDING in the middle of the road.
4. Let's walk as fast as we can or we WILL MISS the bus.
5. Jane, ARE you LISTENING to me?