c'erano

form-of imperfect indicative plural third-person

esserci の第三人称複数未完了直説法形; 存在していた; かつて存在していた（複数）

English Meaning

third-person plural imperfect indicative of esserci; there were; there used to be (plural)

In quel vecchio parco c'erano molti bambini che giocavano con allegria.

その古い公園には、多くの子どもたちが楽しそうに遊んでいました。

In that old park there were many children playing happily.

c'era

（ singular ）