GRAMMAR : SHOULD, SHOULDN'T, MUST, MUSTN'T

You ________ tell someone about the problem

• should

• shouldn't

• must

• mustn't

You __________ forward nasty messages.

• shouldn’t

• should

• must

• mustn't

I _______ do it if I were you

• should

• shouldn’t

• must

• mustn't

We _______ speak when the teacher's speaking

• should

• shouldn’t

• must

• mustn't

Children _________ respect their parents.

• should

• shouldn’t

• must

• mustn't

_______ we go to the cinema tonight?

• should

• shouldn’t

• Must

• mustn't

_________ we tell her the truth?

• Should

• shouldn’t

• must

• mustn't

Yes, we ________ try to finish it now.

• should

• shouldn’t

• must

• mustn't

You _________ spend so long on the computer.

• should

• shouldn’t

• must

• mustn't

You ________ post photos of people without their permission.

• should

• shouldn’t

• must

• mustn’t