| 1. Michael Dell has been listening radio for …. .sicktomorrow7 o'clock6 hoursyesterday
|
| 2. Jeff Bezos has been swimming for …. .Septemberlast nightlast summer
last Mondaya long time |
| 3. Our family has been living in Lampang …. May.already
foryetjustsince |
| 4. …. have been writing a program since 8 o'clock.ItHeIThem
She |
| 5. I have been …. all the evening.drivedrivingdrivesdrovedrived
|
| 6. …. our son been doing his assignment all night?AreHasHavingHave
Had |
| 7. Gates and Jobs have been watching television …. 2 hours.sincealreadyforhasyet
|
| 8. Has it been …. all night?rainedrainsraina rain
raining |
| 9. Have they been writing …. ?yesterday
justall the eveningforsince |
| 10. Bill Gates …. computer book all this week.have
has been readinghave been reading has readinghas been read |