Ob/wenn/falls when to use which one
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This is what I've learned so far. Ob/wenn:: both means "if" but use "ob" to convey a sense of "whether". If not, you must always use "wenn". Only one is right in any given sentence. Falls: means if, can be used instead of "wenn" to express possibility, it is more tentative(unconfirmed) than "wenn" So for this sentence or sentences similar to this one, which one is grammartically more precise: Did you want to play football? If yes, with whom? Wolltest du Fußball spielen? Wenn Ja, mit wem? Wolltest du Fußball spielen? Falls Ja, mit wem? Wolltest du Fußball spielen? Ob Ja, mit wem? I think the third one is wrong. I would be grateful for the explanation with examples and grammar behind it. Thanks a lot in advance.