the difference between –아니에요, –아니야 and –아냐?
아니야 and 아냐 sound the same when I say them so is 아냐 just a shortened way to write 아니야? Also I know that 아니에요 is formal because of the 요, but do they still all mean the same thing or have slightly different uses/meanings?

정말 감사합니다~~!

Question

the difference between –아니에요, –아니야 and –아냐?
아니야 and 아냐 sound the same when I say them so is 아냐 just a shortened way to write 아니야? Also I know that 아니에요 is formal because of the 요, but do they still all mean the same thing or have slightly different uses/meanings?

정말 감사합니다~~!

Answer

아니에요 means the same thing as you know. It is just a formal expresion.
And as you expected, -아냐?  is  shorten version of -아니야? They means Doesnt/ Isnt  it (subject)~~??

Answer

Ah wow, you've been learning much longer than me! I hope we can help each other ^^ I can always help with any English of course :)

Answer

안녕하세요. 한국어를 4년동안 배웠어요.  I come from China.  I like to make diffident friends with diffident cultures. we can study korean together.