This is the 17754th most frequent Polish word.
zostałby
"Zostałby" means "he/it would become" or "he/it would stay/remain" in English, depending on context.
Here, 'zostałby' is used in a conditional sentence expressing a hypothetical situation.
Gdyby był odpowiedzialny, zostałby wybrany na lidera.
If he were responsible, he would have been chosen as the leader.
In this example, 'zostałby' conveys a hypothetical action that would happen if the condition were met.
Jeśli miałby więcej czasu, zostałby z nami dłużej.
If he had more time, he would have stayed longer with us.
Here, 'zostałby' is utilized to describe a potential outcome dependent on an unrealized past condition.