Мы их ждали, но они не пришли.

Мы их ждали, но они не пришли.

Результаты (английский) 1:

We were waiting for them, but they did not come.

Результаты (английский) 2:

We were waiting for them, but they didn't come.

Результаты (английский) 3:

We've been waiting for them, but they didn't come.