Modal verbs

How do we conjugate modal verbs?

• adding -ing at the end of them

• -s when we use she he o it

• we don't conjugate them, except if they are semi-modals

• -ed when they are used in the past

Which of these verbs are semi-modals?

• Can, could

• May, might

• Be able to, have to

• Must

Answer explanation

Semi - modal verbs are modal verbs which use auxiliary verbs, and can sometimes be the main verb of a sentence (not in this case)

Which modal verb(s) is/are used to offer something?

• Would

• Can and could

• Ought to

• All of the above

Which modal verbs are used to give advice?

• Ought to

• Should

• May

• Only ought to and should

Indicates past ability or posibility. It is also used to make offers.

• Could

• Would

• Shall

• Have to

It is similar to “may”. It is also used in the same way as “may”, to ask for permissions or formal petitions

• May

• Should

• Might

• Would

Indicates prohibition, obligation or necessity. It is also used when we assume or deduce something

• Should

• Must

• Can

• Shall

She has travelled a lot, as a result she____ speaks three languages now.

• could

• must

• should

• can

You ____ wear helmet when you ride your motorcycle.

• have to

• should

• must

• can

You____ watch so much television.

• should
• must
• shouldn't
• don't have to