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)