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Modals - Coggle Diagram
Modals
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Ability/inability
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Couldnt may be used to express any kind of inability in the past, repeated or specific
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Permission/prohibition
Can/May/Might/Could are used to ask for/give permission, May/might/could are more formal
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Mustnt/cant, forbidden to do sth
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Note
If you ask we can you have to respond with can, same with the others
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