Помогите пожалуйста.воткните модальные глаголы. could, must, was to, had to, might,shouldn

Помогите пожалуйста.
воткните модальные глаголы. c
ould, must, was to, had to, might,shouldn t, will be able to, needn t, ought to.

Ted isn t at work today, he ... be ill.
My grandfather was a very clever man. He .... speak five languages.
You look tired. You ....work so hard.
It was raining hard and we.... ait until it stopped.
You... buy the tikets now , you can book them in advance.
As they had agreed before, Tom ... wait for his girlfriend at the entrance.
Children......take care of their parents.
I hope he...... speak Engish well next year.
Where are you going for for your holidays?- I haven t decident yer. I .... goto London.