What is ain't can you find the synonym of ain't?

ain't itu kata slang yg artinya tidak/bukan

ain't ---> Auxiliary for adjective
=> Synoym ---> Am not , is not , are not dan juga bisa has not ataupun have not .

Notebook !
=> Just use in negative sentence
"hanya digunakan pada kalimat negatif"

Semoga bermanfaat ^_^