What are you reading, I am reading, how long have you been reading, I have been reading.
She had been living, her sister came.
Our teacher has come, he is speaking.
They were speaking, I looked.
What are you doing, I am preparing, how long have you been preparing, I have been working.
He had been teaching, the war broke.
She has been studying.
Have you ever been, I was.
What is your friend doing, she is having, she usually has.
I have bought, I shall show, you come.
Who will take, you go.
Where are you going, I am going.
I had been walking, I saw.
He had read, he gave.
He left, he has been living.
We shall be discussing.
She is reading, I gave.
I’ve always hated.
I haven’t seen.