Which of the sentences below express the correct use of “cou...

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Q1739945 Inglês
Which of the sentences below express the correct use of “could”:
I- That could be Judith on the phone = to express present possibility II- I could hear a funny noise coming from somewhere in the engine = to express past ability III- It could snow! Look at the sky! = to express future possibility IV- you could try asking me before you use my comb, you know. = to give permission
Check the correct alternative:
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