Past Continuous
1) We were playing chess at 5 o'clock.
2) She was playing piano and her sister was singing.
3) As she was taking a shower, somebody knocked at his door.
4) At seven o'clock yesterday evening they were having dinner.
5) He was walking down the street when he ran into an old friend.
Present Continuous
1) I can't understand what are you talking about now.
2) She is studying atthe institute.
3) They are movig to the other city.
4) She is always interrupting me when I'm talking.
5) He is giving a baby a bath at the moment.