used to Question

[craneo]

it's a kind of find the mistakes question

My Uncle used to drive a bus since he was twenty


i think the mistake would be in used i think it would be (got used to) but i don't know


and there is another question please

He forgot his keys on the table He (can't-shouldn't-Mustn't-Must) have remembered them

i think it is Must is it right?

[craneo]

plz help it was on my highschool exam and I'm very worried

[bhaisahab]

it's a kind of find the mistakes question

My Uncle used to drive a bus since he was twenty


I think the mistake would be in used I think it would be (got used to) but I don't know.


and there is another question please

He forgot his keys on the table He (can't-shouldn't-Mustn't-Must) have remembered them

I think it is Must is it right? No.

"My uncle used to drive a bus."
"My uncle has driven a bus since he was twenty."