| 1. He …. given it back yet.did not
have notdoes nothas not do not |
| 2. Alan Kay has borrowed my notebook since …. .Sunday5 months3 hours4 daystomorrow
|
| 3. That boy and his friend …. their way.have lostare losehas lostdo losthad lose
|
| 4. Bill Gates …. breakfast already.has havehave havehas hadhas hashave had
|
| 5. Mr.Johnson has taught Computer for …. .1 yearslast yearlast monthtomorrow
yesterday |
| 6. …. has tried to do his best.Them
Alan TuringTheySteve Jobs and Bill GatesWe |
| 7. Steve Jobs and Bill Gates …. washed the car yet.not
havenot havehave nothas not |
| 8. Has Steve had lunch …. ?justnowtomorrow
last nightalready |
| 9. Have you seen this program …. ?yesterday
yettomorrowjustnow |
| 10. …. he given your smartphone back already ?HaveAreHasIsAm
|