Understanding Modal Verbs in Context

What does the modal verb 'can' express in the receptionist's question, "What can I do for you?"

• Obligation

• Permission

• Ability or offer

• Possibility

In the sentence, "My brother could use some help," what does the modal verb 'could' indicate?

• A past ability

• A strong command

• A suggestion or possibility

• A definite future action

When the receptionist asks, "Carla, could you please assist them?", what is the primary function of 'could'?

• Expressing a past ability

• Making a polite request

• Indicating a strong possibility

• Stating a fact

The nurse says, "You must be my patient." What does 'must' convey in this statement?

• A recommendation

• A strong deduction or certainty

• A future plan

• A lack of choice

The doctor's advice, "you must not walk on your own," uses 'must not' to express what?

• A lack of necessity

• A strong prohibition

• A suggestion against an action

• A past inability