By Difference between, Direct questions

Yankee wrote:I agree with Goodman but would like to add that this word order would also be very common:I was wondering what the difference between a planet and a star was / is. Hi allStrictly speaking, this is the only grammatically correct sentence but I accept all the others as well because...

Onh1986 wrote:- I want to know what's the difference between A and B.Does that really sound good to native speakers? Are they likely to hear or use that? Tnx

Or: I want to know the difference between A and B.

Hello Which sentence is correct: - I want to know what's the difference between A and B. - I want to know what the difference between A and B is. I think the second is correct. Right?

Hello Candy Richard summarized the differences between "if" and "whether" in an excellent way. I'd like to add three things more to his summaries. We can use "whether" in a indirect question that directly leads "or not". EX-3 I wonder whether or not my ex-wife is still alive. Beside...

Use subject-verb inversion and do-support with main clauses which ask questions (unless questioning the subject, of course). Do not use inversion with the corresponding subordinate clauses (indirect questions). Who was he? / Nobody knows who he was. What did you put on the shelf? / I don't...