когда упал

when he fell

→ когда
phrase Rare #42,504
when he fell Used in a time clause. The subject is understood from context and is not stated here.
RU: Он испугался, когда упал.
EN: He got scared when he fell.

Он ушибся, когда упал.

He hurt himself when he fell.

Том порезал себе руку, когда упал.

Tom cut his hand when he fell.

Том порезал руку, когда упал.

Tom cut his hand when he fell.