conditional

0Hi,02br
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001. Would it be possible to use the third person singular for the second condtional in the if-clause? If (it is) yes, then it would be considered real and not hypothetical? How do I know if it is real or hypothetical? Only I will know it as the person who wrote it?02br
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00If he was ..., I would ...02br
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002. I have used a similar sentence above, but should I be able to use the modal 'will' here?02br
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00If that's the case, wouldn't it make more sense to bring him along?02br
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00My similar sentence in bad question form?:02br
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00If (it is) yes, then it would be considered real and not hypothetical?0-