Present Unreal Conditional

0Hi,02br
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00i have some questions on the subject of present unreal conditionals and hope you would be able to help me.02br
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001. I would play chess more if I didn't listen to pop music so much.02br
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00If the sentence had the word 'had' in the 'if' clause, then I would have considered it a second conditional talking about what 'I' would do presently in the unreal situation like my two example sentences below. For the kind of sentence above with the 'did' in the 'if' clause, I feel it looks to be a sentence that talks about what would happen if something did or did not happen with no sense of unreality.02br
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002. I would play chess more if I hadn't gone to a trip last week -- I think this is a mixed conditional talking about what 'I' would be doing now if I didn't take a trip last week.02br
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003. I would play chess more if I had more time. -- I think this is a typical second conditional. 02br
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00Sorry, but I have one more question: For the type of no. 3, sometimes, it is hard for me to distinguish if the same sentence is taking about a present unreal conditional or a future unreal conditional when the modal 'would' is in the main clause. 0-