Напишите формулу образованием с примером past continuous past perfect past perfect continuous​

Сущ. + was/were + глагол с ing окончанием

I was working

Сущ. + had + been + глагол с ing окончанием

They had been playing tennis

Past Continuous-was/were +Ving

They were playing football when I saw them.

Past Perfect-had+ V3

She had drawn her picture by 7pm.

Past Perfect Continuous-had been +Ving

She had been working hard,so she was tired.