Question

could you have done it ( identify modal auxiliary and state it's function)​

Answer 1

Answer:

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Answer 2

Answer. There are ten types of modal verbs: can, could, may, might, will, would, shall, should, must, ought to. Can (or cannot/can't) shows ability, in the sense of knowing how or being able to do something. In informal situations, it expresses permission, in the sense of being allowed to do something.
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