"? No. 'Could' means possibility, but 'were' refers to fact or the absence of fact.
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NewguestDoes were in the sentence above have the same meaning as "could", "if the brain could convert ..."?No. 'Could' means possibility, but 'were' refers to fact or the absence of fact.
NewguestHow about "were able to convert"?What about it? That is different, too. Were able to = could