| 1. …. he given your smartphone back already ?HasHaveIsAreAm
|
| 2. Alan Kay has borrowed my notebook since …. .tomorrow
4 days5 monthsSunday3 hours |
| 3. Mr.Johnson has taught Computer for …. .tomorrow
last monthyesterday1 yearslast year |
| 4. Steve Jobs and Bill Gates …. washed the car yet.not havehas nothave nothavenot
|
| 5. …. has tried to do his best.Alan TuringTheySteve Jobs and Bill GatesWeThem
|
| 6. Bill Gates …. breakfast already.have had
has havehas hashave havehas had |
| 7. He …. given it back yet.did not
have notdoes nothas not do not |
| 8. Have you seen this program …. ?justyetnowtomorrowyesterday
|
| 9. That boy and his friend …. their way.do losthave losthas lostare losehad lose
|
| 10. Has Steve had lunch …. ?tomorrow
justlast nightalreadynow |