Вы были вчера на концерте? -Нет, мы

Вы были вчера на концерте? -Нет, мы работали в библиотеке, а потом мы пошли в парк.

Результаты (английский) 1:

You were at a concert? -No, we have worked in the library, and then we went to the Park.

Результаты (английский) 2:

You were at the concert last night? No, we were working in the library, and then we went to the park.

Результаты (английский) 3:

You were yesterday at the concert? -No, we have worked in the library, and then we went to the park.