Completa las oraciones con will/won't y might/mightn't, según corresponda.
I'm sure someone will buy my bike soon.
The bus won't (will not) leave before 6 p.m.
I mightn't (might not) have enough money to buy that game.
We might take the underground to arrive soon.
There will be few tickets left for the concert.
She won't (will not) need extra lessons. Her marks are very good.
It mightn't (might not) rain this afternoon, it's very sunny at the moment.
Mum will help you later but she's busy now.
The teacher won't explain it again if you don't pay attention.
They might move to a new house if they get some extra income.