MODAL VERBS

"I'm not sure if I __________ finish the project on time."

• can

• must

• should

• may

"You __________ take an umbrella. It might rain later."

• could

• must

• should

• can

"Students __________ wear a uniform at this school."

• could

• must

• may

• should

"You __________ study harder if you want to pass the exam."

• must

• should

• could

• may

"__________ I borrow your pen for a moment?"

• must

• could

• should

• may

"You __________ have your phone with you during the exam."

• should

• could

• must not

• may not

"She __________ be at home by now. Let's call her."

• must

• could

• may

• can't

"I __________ believe he did that. It's so surprising."

• can't

• mustn't

• should

• could