" In other words, you're admonishing the respondant for failing to think of it when he should have. You could also reverse the inflection, and make it a true question (expecting an answer). It still has the feel of a "lecture," but we expect the conversation to continue.
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Olgaa"You thought of that not yesterday, didn't you/did you?"If I understand your question, I'd say, "You didn't think of that yesterday, did you?"
AvangiYou thought of that not yesterday but today, didn't you? (rhetorical)Okay, I'm quite sure that this is what you need.
OlgaaIf I want to emphasize negation to the object but not the verb, which form should i use in tag question after the comma? For example: "You thought of that not yesterday, didn't you/did you?" Here the person thought but the time was different rather than he didn't think of that at all.