Я бы тоже пошла,но я не знала когда

Я бы тоже пошла,но я не знала когда они собирались.

Результаты (английский) 1:

I would have went, but I didn't know where they were going.

Результаты (английский) 2:

I would have gone, but I did not know where they were going.

Результаты (английский) 3:

I have to go, but I don't know where they go.