Modals: speculating in the past & present

I ___ a lot as an accountant, but the job was just too boring.

Yesterday I fell playing basketball and I think I ___ my ankle.

He ___ win the competition. He's the best by far.

I'm not sure I trust Peter. He ___ the person we think he is.

A: The burglar broke into our home in daylight. B: Then, some of the neighbours ___ him.

The light in Scot's room was on last night. He ___ computer games.

I think there ___ a mistake in your tax return. You should check it.

If Susan said that, it ___ true. She never lies.

He ___ German very well. He has lived in Germany for only a few weeks.

He ___ be very proud of you right now. You disappointed him.