Modals of Obligation, Necessity, Prohibition & Advice

This material ….. be used as it harms people’s health.

• must

• mustn't

• don't have to

In some countries you … show certain images on your designs.

• can't

• don't need to

• has to

We … change the shape of the model so that it meets government regulations.

• shouldn't

• have to

• don't have to

It’s not breaking any regulations, but I think we … change the design.

• should

• has to

• have to

I … go shopping, there’s enough food at home.

• must

• doesn't have to

• needn't

She … worry. She can finish the work later.

• must

• has to

• doesn't have to

He … leave for work at six every day.

• must

• have to

• has to

We’re going fishing, so we … get up early.

• have to

• must

• mustn't

They … play on the railway track.

• need to

• have to

• mustn't

Jasem ... get up early because he's got an appointment with a doctor.

• has to

• mustn't

• doesn't have to