Modals of Obligation

You _______ on time. (moral obligation)

• will

• ought to be

• should

• must

• You may keep off the grass.

• You will keep off the grass.

• You have to keep off the grass.

• You can keep off the grass.

Which of the following are modals expressing obligation? (Tick three answers.)

• must

• can

• should

• have to

What must you do to stop the spread of COVID-19? (Tick 3 answers.)

• We must wash our hands.

• We must take a bath after we return home.

• We must wear masks when we go outside.

• We must forget social distancing.

Ana ________ lose weight to join the pageant.

• can

• has to

• must

• will

You __________ bring umbrella. It might rain.

• must

• have to

• should

• can

Sheila ________ wake up early so that she can ride the bus.

• will

• must

• has to

• should

I ________ study hard.

• have to

• must

• may

• can

People ________ wear their masks and face shields when going outside

• have to

• must

• may

• can

Which is the correct sentence to describe the picture?

• You have to cover your nose when you sneeze.

• You must cover your nose when you sneeze.

• You should cover your nose when you sneeze.

• You may cover your nose when you sneeze.