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UNIT 5 :smiley: - Coggle Diagram
UNIT 5 :smiley:
GRAMMAR
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Obligation, permission & prohibition
To say something is or isn't a good idea, de can use should.
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To express no obligation or necessity, we can use don't have to or don't need.
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To express obligation or necessity, we can use have to or must.
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To express permission, we can use let and to say that something is not permitted de use not be allowed to
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Ability in the past: could, was/were able to, managed to, succeeded in
To talk about ability at specific moments in the past, we use was/ were able to (was/were able to + infinitive, or succeed in + gerund).
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To talk about a lack of ability at specific moments in the past, we use managed to/ wasn't (weren't) able to.
After a few IT lessons, they were able to use the computer confidently.
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