keeps his/her promises
Mary solitamente mantiene le sue promesse.
Mary usually keeps her promises.
Di solito mantiene le sue promesse.
He usually keeps his promises.
È uno che mantiene le sue promesse.
He’s someone who keeps his promises.
He doesn't keep his promises.
Mary spesso non mantiene le sue promesse.
Mary often doesn’t keep her promises.
Mary di solito mantiene le sue promesse.
Mary usually keeps her promises.