Я не знал о том, что вы собирались

Я не знал о том, что вы собирались встретиться вчера вечером, иначе я бы к вам присоединился.

Результаты (английский) 1:

I didn't know that you were going to meet last night, otherwise I would have joined you.

Результаты (английский) 2:

I did not know that you were going to meet last night, otherwise I would have joined you.

Результаты (английский) 3:

i don"t know what you were going to meet last night, otherwise i would have you joined.