Modal verbs

... she be at home at such an hour?

The tourists ... able to reach the village before dark.

She ... help her mother about the house.

Children ... sleep nine hours a day.

You ... come to school in time.

... we play football here?

... I use this telephone?

... I tell my friends about it?

She ... to see a doctor yesterday.

We ... to stay in for a few days.

She ... to buy it.

Her father ... to wear spectacles.