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The use of どうか

eric

後輩
Joined
25 Dec 2005
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JL107は何時に出発するか、わからないんです。

JL107は何時に出発するか、どうか、わからないんです。

if I'm right the first sentence, means, "I dont know what time JL107 is departing", but does adding どうか into the sentence have any significance?

thanks
 
かどうか is more like "whether or not." Your second sentence would need to remove 何時に, or specify a time, to mean "I don't know if JL107 is going to depart," or "I don't know if JL107 is going to depart at [this specific time]"

Also, かどうか is a single structure, not to be separated (or surrounded) by commas.
 
oh ok, I get it now, thanks
 
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