Why can't we use the present perfect here? 'I have written this letter in French'
em = in, on, at / na = in, on, at + the (for singular, feminine words) no = in, on, at + the (for singular, masculine words). Nos/nas are the plural forms.
Letter IN French = carta EM francês. IN THE French area = Na área francesa. It's similar to English
Mostly i just remember because I already speak it and it doesn't make sense otherwise, people would understand you but they would know you're saying it wrong
Can't you say I wrote this card in French? I wrote it and it was wrong
"Regarde! Une lettre de son ami brasilien!" and "Regarde! Une lettre de son ami