| 1. That boy and his friend …. their way.do lostare losehad lose
have losthas lost |
| 2. Steve Jobs and Bill Gates …. washed the car yet.not
havehas notnot havehave not |
| 3. Mr.Johnson has taught Computer for …. .last yearlast monthyesterday1 yearstomorrow
|
| 4. Have you seen this program …. ?yesterday
yettomorrowjustnow |
| 5. Alan Kay has borrowed my notebook since …. .4 daysSunday3 hours5 monthstomorrow
|
| 6. Bill Gates …. breakfast already.have havehas hashas hadhas havehave had
|
| 7. He …. given it back yet.does nothas not have notdid not
do not |
| 8. …. has tried to do his best.TheySteve Jobs and Bill GatesAlan TuringThem
We |
| 9. …. he given your smartphone back already ?HaveIsAm
AreHas |
| 10. Has Steve had lunch …. ?alreadyjustnowlast nighttomorrow
|