Grammar/ Obligation and Prohibition

Which of the following expresses advice?

• You must speak quietly in a library.

• You should eat a balanced diet.

• You have to submit the report today.

• You mustn't interrupt during the presentation.

Which sentence is prohibiting something?

• You have to finish your homework before playing video games.

• You should drink more water every day.

• You mustn't park in this area.

• You have to clean your room every day.

I ________wake up early tomorrow to catch my flight

• mustn't

• shouldn't

• should

• must

You ______ take an umbrella with you because it looks like it’s going to rain.

• should

• must

• has to

• mustn't

They _____ submit their application before the deadline.

• should

• has to

• have to

• mustn't

She_____ clean the house because it’s her turn this week.

• mustn't

• has to

• have to

• should

Sam _____ attend the meeting at 3 PM because he got fired.

• doesn't have to

• don't have to

• must

• should

The negative form of this sentence " Khalid and Amer have to buy the groceries every week." is

• Khalid and Amer have to buy the groceries every week.

• Khalid and Amer don't have to buy the groceries every week.

• Khalid and Amer doesn't have to buy the groceries every week.

• Khalid and Amer wouldn't have to buy the groceries every week.

The negative form of this sentence " Drivers must take a break every two hours of driving." is

((Choose 2 answers ))

• Drivers must not take a break every two hours of driving.

• Drivers mustn't take a break every two hours of driving.

• Drivers shouldn't take a break every two hours of driving.

• Drivers take a break every two hours of driving.

Negate this sentence.

"My son should wear his new jacket, it is cold outside."

• My son shouldn't wear his new jacket, it is cold outside.

• My son should wear his new jacket, it is cold outside.

• My son should not wear his new jacket, it is cold outside.

• Should my son wear his new jacket, it is cold outside?