Add a sentence with the past perfect .1.Mary couldn039;t get into

Add a sentence with the past perfect .
1.Mary couldn't get into the cinema.
(the film/begin)
The film had already begun.
2.We got to the station , but we were late.
(the train/just/go)
3.I didn't have an umbrella , but I didnt't need it.
(the rain/stop)
4.When John got to the concert hall , they didnt't let him in.
(forget/his ticket)
5.I was happy to see my aunt.
(not see/her/for a year)
6.My mum was pleased to see my room.
(just/clean/it)
7.My friend invited me to lunch yesterday , but I refused.
(already/eat/my hot-dog)