Open the brackets using the present perfect or the present perfect continuous. 1. they … all young trees in the park. (plant) the job is done. 2. they … young trees in the park since morning. (plant) 3. the children … the fir-tree (decorate). you can see it now. 4. our parents … the fir-tree all evening (decorate). they are still in the drawing room. 5. he … tape-recorder (repair) and has just begun to use it. 6. he … tape-recorder (repair) himself since morning and hopes to finish it soon. 7. mary is still in the kitchen. she … it all morning. (clean) 8. mary … the kitchen (clean) and now it looks tidy and nice. 9. i … a lot of material for my paper (collect), so i am ready to write it. 10. i … some material for my paper since november (collect) and i’m only half-way through.

1. They have planted all trees in the park. The job is done.
2. They have been planting young trees in the park since morning.
3. The children have decorated the fir-tree. You can see it now.
4. Our patients have been decorating the fir-tree all evening. They are still in the drawing room.
5. He has repaired tape-recorder and had just noggin to use it.
6. He has been repairing tape-recorder himself since morning and hopes to finish it soon.
7. Mary is still in the kitchen. She has been cleaning it all morning.
8. Mary has cleaned the kitchen and now it looks tidy and nice.
9. I've collected a lot of material for my paper so I am ready to write it.
10. I have been collecting some material for my paper since November and I'm only half-way through.