| 1. Bill Gates …. computer book all this week.has been readinghave been reading have
has readinghas been read |
| 2. Jeff Bezos has been swimming for …. .last Mondaylast nighta long timeSeptemberlast summer
|
| 3. Michael Dell has been listening radio for …. .6 hourstomorrowyesterday
sick7 o'clock |
| 4. …. have been writing a program since 8 o'clock.ItSheHeIThem
|
| 5. Our family has been living in Lampang …. May.justyetsinceforalready
|
| 6. Has it been …. all night?a rain
rainrainedrainsraining |
| 7. Gates and Jobs have been watching television …. 2 hours.hassincealreadyyet
for |
| 8. Have they been writing …. ?forsincejustyesterday
all the evening |
| 9. I have been …. all the evening.drovedrivesdrivedrivingdrived
|
| 10. …. our son been doing his assignment all night?Have
HavingAreHasHad |