Modals of Necessity

It is not mandatory to wear a tie, this means that you ___ wear one

• Must

• Should

• Should not

• Don't have to

You _______________ use your phone while you are at the bank.

• shouldn't

• mustn't

• don't have to

• must

We_______ wear trainers. They’re not allowed.

• mustn’t

• have to

• don´t have to

• had

We ________ wear a tie to school. It’s a rule.

• have to

• had

• will have

• mustn´t

Last week I_____________water the garden because it rained.

• have to

• had to

• didn't have to

You ___________ speak loudly in the library. It's a quiet zone.

• must

• mustn't

• should

• don't have to

You ___________ run with scissors. It's pretty dangerous.

• must

• mustn't

Yesterday was a public holiday, so we ___________ go to school.

• had to

• didn't have to

Choose the correct option to complete the sentences:

• Companies ____________ to deal with complaints quickly or they will lose customers.

• need

• must

Choose the correct option to complete the sentences:

• Companies ___________ invest in technology to communicate with customers online.

• have to

• mustn’t