Gerunds, perfect gerunds and perfect participles

_____________ (to be) on time is one of our school requirements

After________ (fall) from the horse back, he was taken to the hospital and had an operation

__________ (stand) at the check out, I remembered that I needed to buy bread

I regretted ___________ (give) that letter to my crush

_________ (switch) off the light, we went to bed

__________________ (sleep) badly last night, Hoa is in a bad mood

She admitted ___________ (kill) her husband

___________ (play) soccer is one of my favorite sports

___________ (study) in this school has been a fantastic experience

He was accused of____________ (steal) their money