| 1. Bill Gates …. breakfast already.have havehas hadhas havehave had
has has |
| 2. …. has tried to do his best.Steve Jobs and Bill GatesAlan TuringWeTheyThem
|
| 3. Has Steve had lunch …. ?tomorrow
justnowlast nightalready |
| 4. Mr.Johnson has taught Computer for …. .tomorrow
last month1 yearslast yearyesterday |
| 5. Alan Kay has borrowed my notebook since …. .tomorrow
4 daysSunday3 hours5 months |
| 6. He …. given it back yet.have notdoes nothas not do notdid not
|
| 7. …. he given your smartphone back already ?HaveIsAm
AreHas |
| 8. Steve Jobs and Bill Gates …. washed the car yet.not havehas nothave nothavenot
|
| 9. Have you seen this program …. ?yesterday
yetnowtomorrowjust |
| 10. That boy and his friend …. their way.have lostare losehas lostdo losthad lose
|