| 1. Gates and Jobs have been watching television …. 2 hours.hasforsincealreadyyet
|
| 2. I have been …. all the evening.drivingdrovedrivedrivesdrived
|
| 3. …. have been writing a program since 8 o'clock.IItHeSheThem
|
| 4. Have they been writing …. ?sincejustall the eveningforyesterday
|
| 5. Michael Dell has been listening radio for …. .7 o'clock6 hourstomorrowsickyesterday
|
| 6. Our family has been living in Lampang …. May.already
forjustsinceyet |
| 7. Jeff Bezos has been swimming for …. .Septemberlast Mondaya long timelast nightlast summer
|
| 8. Has it been …. all night?rainraininga rain
rainedrains |
| 9. Bill Gates …. computer book all this week.have
has been readinghas readinghas been readhave been reading |
| 10. …. our son been doing his assignment all night?Have
HavingAreHasHad |