Сделайте предложение в past simple : my friend watched the last concert of the beatles in britain two years ago.( в утвердительной и отрицательной форме, общем и специальном вопросе)

1. My friend watched the last concert of the beatles in britain two years ago.
2. My friend didn't watch the last concert of the beatles in britain two years ago.
3. Did your friend watch the last concert of the beatles in britain two years ago?
4. When did your friend watch the last concert of the beatles in britain?