я не видел, как

I didn't see how

→ я
phrase Rare #34,677
I didn't see how Introduces an action or event that the speaker did not witness. The form видел is masculine; a female speaker would usually say видела.
RU: Я не видел, как он вышел из дома.
EN: I didn't see how he left the house.

Я не видел, как Том это делает.

I didn't see Tom do it.

Я не видел, как она это делает.

I didn't see how she did it.

Я не видел, как Том разговаривал с Мэри.

I didn't see Tom talking to Mary.

Я не видел, как она вошла.

I didn't see her come in.

Я не видел, как Том вошёл.

I didn't see Tom come in.

Я не видел, как ты вошла.

I didn't see you come in.