Add a sentence with the pust 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 didn't it.(the train/stop)4.When John got to the concert hall, they didn't let him in.(forget/his ticket5. I was happy to see my aunt.(not see/her/for a year)6. My mom 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)