Past Simple: Water boils at 100 degrees Celsius.
She talks to much about her friend.
This material feels soft.
Past Continuous: i am boiling an egg for breakfast.
I am talking to my grandmother at the phone.
I am feeling better, thank you.
Past perfect Simple: I had already boiled the egg.
I had talked to my friend about the party.
She had felt left out.
Past Perfect Continuous: I had been boiling the egg for a while now.
He has been talking to my friend for a month.
She has been feeling okay since I last saw her.
