Question

Предложения в прошедшем и будущем времени. 1. He must prove his theory. 2. They may live in our house. 3. She can use my computer.

Answer 1

1 He had to prove his theory. Will he have to prove his theory?
2. They might  live in our house.They will be alowed/permitted to live in our house.
3. She could/was able to use my computer.Will she be able to use my computer?

Answer 2

1. He had to prove his theory. In the past, he was required to provide evidence or demonstrate the validity of his theory. The action of proving the theory already occurred, and it happened before the present moment.

2. They will be able to live in our house. In the future, it is expected that they will have the opportunity or permission to reside in our house. The action of living in the house has not yet taken place, and it will happen after the present moment.

3. She will be able to use my computer. In the future, she will have the ability or permission to utilize my computer. The action of using the computer has not yet happened, and it will occur after the present moment.