| 1. Has it been …. all night?rainrainedrainsraininga rain
|
| 2. Bill Gates …. computer book all this week.have
has been readinghas readinghas been readhave been reading |
| 3. Jeff Bezos has been swimming for …. .Septemberlast Mondaya long timelast nightlast summer
|
| 4. Michael Dell has been listening radio for …. .yesterday
6 hourstomorrowsick7 o'clock |
| 5. I have been …. all the evening.drivedrivingdrivesdrovedrived
|
| 6. Our family has been living in Lampang …. May.foryetalready
justsince |
| 7. Have they been writing …. ?yesterday
justall the eveningforsince |
| 8. Gates and Jobs have been watching television …. 2 hours.alreadyhassinceforyet
|
| 9. …. our son been doing his assignment all night?Have
HavingHadAreHas |
| 10. …. have been writing a program since 8 o'clock.ItSheHeIThem
|