Question

We wanted to know who (is singing/was singing) in the next room.
I always thought he (is/was) a brave man.
When I saw him, he (is working/was working)
She said she (has/had) a terrible headache.
We understood that she(sees/saw) nothing.
My mother was sure I already (have come/had come.

Answer 1

was singing
was
was working
had
saw
had come