Вот и ты, наконец! Гости уже собрал

Вот и ты, наконец! Гости уже собрались, мы, должно быть, уже целый час ждем тебя.

Results (English) 1:

Here you are, finally! Guests have already gathered, we should have a whole hour waiting for you.

Results (English) 2:

Here you are, at last! The guests had already gathered, we must be for an hour waiting for you.

Results (English) 3:

here you are at last! the guests are met, we must have been waiting for you for an hour.