| 1. …. have been writing a program since 8 o'clock.Them
ISheItHe |
| 2. Bill Gates …. computer book all this week.have
has been readinghave been reading has readinghas been read |
| 3. Jeff Bezos has been swimming for …. .Septemberlast nightlast summer
last Mondaya long time |
| 4. …. our son been doing his assignment all night?Have
HavingAreHasHad |
| 5. I have been …. all the evening.drivingdrivesdrived
drovedrive |
| 6. Gates and Jobs have been watching television …. 2 hours.alreadyhassinceforyet
|
| 7. Have they been writing …. ?forall the eveningsincejustyesterday
|
| 8. Has it been …. all night?rainedrainingrainsraina rain
|
| 9. Our family has been living in Lampang …. May.foryetalready
justsince |
| 10. Michael Dell has been listening radio for …. .sicktomorrow7 o'clock6 hoursyesterday
|