Hi, I am self studying English Grammar and one activity in my workbook is the need to define these sentences into the following Categories:

Past/Present/Future Perfect Simple
Past/Present/Future Progressive
Past/Present Future Perfect Progressive

Sentences are:

We had finished fishing before they arrived.
I met Brian as I was walking to the restaurants.
I had been cycling all night and was exhausted.
She had had that cat since she was twelve.
He walked to work every day.
I have been waiting for Tim over an hour.
He became a success in later life.
They will have finished their work before breakfast time.
I'll be waiting by the City Hall.


**please help i have been studying for one week and cannot understand**