Present Continuous----Past Continuous
She said :" I am doing my homework now"
She said that she was doing homework then.
They said :" We are playing golf now".
They said that they were playing golf then.
Past Continuous---Past Perfect Continuous
He said :"I was reading the book the whole evening".
He said that he had been reading the book the whole evening.
I said: " I was running ".
I said that I had been running.