tamguatlay But is the comma optional in the second sentence? It depends on your intent. The comma sets off 'now' as a kind of interjection; without it, 'now' means 'at this time'.
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tamguatlayBut is the comma optional in the second sentence?It depends on your intent. The comma sets off 'now' as a kind of interjection; without it, 'now' means 'at this time'.