Have to, must, should – obligation, prohibition, necessity, advi

Choose the forms that mean the same as the underlined words.

• could

• ought to

• must

Answer explanation

➪ We use should and ought to to give advice.

Choose the forms that mean the same as the underlined words.

• aren't allowed to

• don't have to

• can't

Answer explanation

➪ We can use not be allowed to or cannot to talk about something that is prohibited or that you are not expected to do.

Choose the forms that mean the same as the underlined words.

• ought to

• should

• 've got to

Answer explanation

➪ In spoken informal English, you can often use ‘ve got to instead of have to.

Choose the forms that mean the same as the underlined words.

• have to

• can

• 've got to

Answer explanation

➪ We use must, have to or have got to (informal) to express strong advice.

Choose the forms that mean the same as the underlined words.

• aren't allowed to

• don't have to

• can't

Answer explanation

➪ We can use mustn't, cannot or not be allowed to to talk about something that is prohibited or that you are not expected to do.

Choose the forms that mean the same as the underlined words.

• ought not to

• mustn't

• don't have to

Answer explanation

➪ We use should not and ought not to give advice.
➪ We use don’t have to to say that something is not necessary.
➪ We use mustn’t to say that something is prohibited, that you are not allowed to do something

Choose the forms that mean the same as the underlined words.

• Must I

• Can't I

• Am I allowed to

Answer explanation

➪ We can use have to or must to talk about things that are necessary.

Choose the forms that mean the same as the underlined words.

• could

• 've got to

• should

Answer explanation

➪ We can use have to or have got to (informal) to talk about things that are necessary or obligatory.

Choose the forms that mean the same as the underlined words.

• can't

• aren't allowed to

• don't have to

Answer explanation

➪ We can use mustn’t, cannot or be not allowed to to talk about something that is prohibited.

Choose the forms that mean the same as the underlined words.

• ought not to

• mustn't

• shouldn't

Answer explanation

➪ We can use can’t or be not allowed to  instead of mustn’t.