Модальные глаголы

This medicine ... be kept out of reach of children.

Johnny! You ... play with sharp knives.

Why ... he take the blame on himself? It's not fair.

Не ... perform complicated operations. Не is a very skilful surgeon.

Yesterday's rain spoiled my shoes completely, and 1 ... buy new ones.

The children ... play in the street till their mothers get home from work.

The poem is dull and boring. I'm glad we ... learn it by heart.

You ... have asked him about it before.

We ... have watched this film before, it has just been released.

I'm afraid you ... design another project.

You ... worry, they will take a taxi to get back home.

She ... have left, but I'm not sure.

You ... have been more attentive to your elderly neighbours.

I don't think I ... to attend the meeting tomorrow.

There was no furniture in the room, so a table and two chairs ... to be brought.