1. The doctor began work at 6 o'clock and is still working. (has)
--> The docotr has worked since 6 o'clock
2. Rupert didn't have his credit card. (forgotten)
--> Rupert has forgotten his credit card
3. I didn't want to go without taking a photo. (until)
--> I would go until I took a photo
4. Nancy has been writing the report. It is finished now. (written)
--> nancy has already written the report
5. My wait in the queue has lasted forty minutes so far. (I)
--> I have waited in the queue for forty minutes
6. when we arrived, everyone was on the dance floor. (dancing)
--> When we arrived, everyone was dancing on the floor
7. The computer has been mine for four years. (had)
--> I have had my computer for four years
8. In the middle of our lunch there was a knock at the door. (when)
--> When I was having lunch, someone khacked at the door
9. Nigel felt sick from eating too many cakes. (because)
--> Nigel felt sick because she had eaten too much cakes

1.The docotr has worked since 6 o'clock
2. Rupert has forgotten his credit card
3. I would go until I took a photo
4.nancy has already written the report
5. I have waited in the queue for forty minutes
6. When we arrived, everyone was dancing on the floor
7. I have had my computer for four years
8. When I was having lunch, someone khacked at the door
9. Nigel felt sick because she had eaten too much cakes

1. The docotr has worked since 6 o'clock
2. Rupert has forgotten his credit card
3. I would go until I took a photo
4. Nancy has already written the report
5. I have waited in the queue for forty minutes
6. When we arrived, everyone was dancing on the floor
7. I have had my computer for four years
8. When I was having lunch, someone khacked at the door
9.Nigel felt sick because she had eaten too much cakes