He swims every day.(Present Simple)
Present Continuous. He is swimming now.
Present Perfect. He has already swum.
Present Perfect Continuous. He has been swimming since 8 a.m.
Past Continuous. He was swimming from 7 till 8.
Past Perfect. He had swum yesterday by 6 p.m.
Past Simple. He swam two days ago.
Past Perfect Continuous. He had been swimming all evening.
Future Continuous. He will be swimming all day tomorrow.
Future Simple. He will swim tomorrow.
Future Perfect. He will have swum tomorrow by 3 o'clock.
2) He doesn't send parcels often. Does he send parceels ogten?
3) Coffee is not imported from Brazil. Is coffee imported from Brazil?
4) Those painting were not sold for 500 pounds each. Were those paintings sold for 500 pounds each?
5) That is not a good book. It was not written by George Orwell. Is that a good book? Was it written by George Orwell?
6) The letter won't be sent tomorrow. Will the letter be sent tomorrow?
7) The gob won't be advertised in the morning paper tomorrow. Will the gob advertised in the morning paper tomorrow?
8) I was not often invited to his place. Was I often invited to his place?
9) I was not asked to do it. Was I asked to do it?
10) She doesn't often send postcards. Does she often send postcards?