Obligation & prohibition

They …. park here. There is a No Parking sign.

• should

• must

• should not

• have to

• must not

It is a casual event. We.... wear formal dress

• must

• has to

• don't have to

• must not

• should

….. I talk politely to our new neighbor? I don't know them yet.

• should

• must

• have

• shouldn't

• haven't

You look so pale. You.... go to the clinic.

• has to

• mustn't

• should

• shouldn't

• must

We.... believe everything we read on online articles.

• have to

• mustn't

• must

• shouldn't

• has to

I.... spend to much money today, as I've only got a little left.

• mustn't

• not supposed to

• shouldn't

• doesn't have to

• don't have to

She... do this work today because she can do it tomorrow.

• Doesn't have to

• don't have to

• mustn't

• shouldn't

• not supposed to

We... forget to look all the door before we leave.

• not suppose to

• shouldn't

• mustn't

• doesn't have to

• don't have to

I... clean the floor today because I cleaned it yesterday

• shouldn't

• doesn't have to

• mustn't

• don't have to

• not suppose to

Erni : This skirt is so beautiful. I... buy it.

Nani : No, you.... you ready have a similar one.

• must, mustn't

• have to, have

• shouldn't, should

• mustn't, must

• should, must