Qual é a diferença entre 何年ぐらいギターを弾いているの？ e 何年ギターしているの？ e どれくらいギターを弾いているの？ e どのくらいギターをやってるの？ ?Podes indicar apenas respostas exemplo.

何年ぐらいギターを弾いているの？= How long have you been playing the guitar? / How many years have you been playing the guitar? = Da quanto tempo suoni la chitarra? / Da quanti anni suoni la chitarra?
何年ギターしているの？= How long have you been playing the guitar? / How many years have you been playing the guitar? = Da quanto tempo suoni la chitarra? / Da quanti anni suoni la chitarra?
どれくらいギターを弾いているの？= How long have you been playing the guitar? = Da quanto tempo suoni la chitarra?
どのくらいギターをやってるの？= How long have you been playing the guitar? = Da quanto tempo suoni la chitarra?
https://hinative.com/it/questions/17696386
https://hinative.com/it/questions/17696354
https://hinative.com/it/questions/17696237
https://hinative.com/it/questions/17696187
https://hinative.com/it/questions/17696148
https://hinative.com/it/questions/17696053
https://hinative.com/it/questions/17695974
https://hinative.com/it/questions/17695910