Expressing Obligation and Necessity

Yesterday I ________ finish my geography project

• Must

• have to

• had to

• don´t have to

She will ________ wait in line like everyone else.

• has to

• must

• have to

• don´t have to

You ... drink tap water. It's not safe.

• have to

• shouldn´t

• don´t have to

• should

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

I think people who live in apartments ... have dogs.

• ought to

• mustn´t

• have to

• shouldn´t

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

Which modal expresses an obligation imposed by the speaker

• have to

• must

Which modal do we use for recommendation?

• should

• have to

Sales staff ________________ wear a dark suit and a tie.

• should

• must

• ought to

• have to

Office staff ______________ wear a suit but they should look smart.

• shouldn't

• mustn't

• don't have to

The new café is great-you _________ to go there

• must

• should

• ought

mom, there is a new mobile phone out . It is brilliant.I ____ get one!.

No way! your mobile phone is fine .You ___ buy another one.

• ought - don´t have to

• have to- don´t have to

• don´t have to - don´t have to