permission</li></li></ul><li>1- Modals for Ability<br />Use can, be able toand could to show that someone has (or doesn’t have) an ability to do something.<br />The verbs after the modals of ability are always in the simple form.<br /><ul><li>Alan can swim well.
Paul could speak Chinese when he was a child.</li></li></ul><li>2- Modals for Possibility<br />The verbs must, might / mayand could show possibility now and in the future. <br />Use 'must‘ when you are 100% (or almost 100%) sure that something is the case.<br />Use 'might‘ or 'may' for an opinion that has a good possibility of being true.<br />Use 'could' to express a possibility which is one of many chances.<br />
3- Modals for Permission<br />We use may, could and can to ask for and give permission. It will depend on the formality. They are placed at the beginning of the question.<br />
Exercise:Complete with CAN / CAN´T / COULD / COULDN´T<br />When Tom was 16, he was a fast runner. He _______ run 200 meters in 22 seconds.<br />I´m afraid I _______ come to your party next Friday.<br />I´m not in a hurry. I´ve got plenty of time. I _______ wait.<br />I was feeling terribly sick yesterday. I _______ eat anything.<br />Can you speak loudly, please? I _______ hear you very well.<br />
Exercise:Multiple choice / Unscramble the words!<br />____ I come in?<br />Can<br />May<br />Either could be used here.<br />____ you turn the heating up a bit, please?<br />Could<br />May<br />I - ask - may - her ? ____________________________________________<br />can - the - she - violin - play ? __________________________________<br />touch- it - they - can ? _________________________________________<br />