| 1. Steve Jobs and Bill Gates …. washed the car yet.not
havehas notnot havehave not |
| 2. That boy and his friend …. their way.has lostdo lostare losehave losthad lose
|
| 3. Has Steve had lunch …. ?justlast nightalreadynowtomorrow
|
| 4. He …. given it back yet.does notdo nothas not have notdid not
|
| 5. Mr.Johnson has taught Computer for …. .1 yearsyesterdaylast yearlast monthtomorrow
|
| 6. Have you seen this program …. ?yetnowyesterday
tomorrowjust |
| 7. Bill Gates …. breakfast already.has havehas hashave had
have havehas had |
| 8. Alan Kay has borrowed my notebook since …. .4 daysSunday3 hours5 monthstomorrow
|
| 9. …. has tried to do his best.Them
Alan TuringTheySteve Jobs and Bill GatesWe |
| 10. …. he given your smartphone back already ?HaveAreHasIsAm
|