you can change the way you express your speech.
it is an informal group
formal is the cinema and informal is a gay man
informal
It's both formal and informal. It depends on how you say it. If you say "Adiós, señora." it's formal. If you say "Adiós, amigo." it's informal.
what is formal and informal communication
formal and informal rhythm
formal
"Gonna" means "going to". It is acceptable in text messages and other informal communication (spoken and written) but not in formal writing.
informal
There is no formal slang. Slang is informal language.
Formal is polite, informal is rude and obnoxious.
what is formal and informal shareholders agreement