The vegetables have been boiling since 10 o'clock.
I have boiled the vegetables, you may cook salad.
I have waited for your answer for a week, but in vein.
I have been waiting wait) for your answer for a week, and here it is!
I have been trying to find my documents since last Sunday.
At last I have found my documents.
Father has been drilling holes in the wall since noon.
Father has drilled holes in the wall, and now he is hanging shelves.
We have been saving the money for our holiday for a year.
We have saved a lot of money for our holiday, and now we are going to Europe.
The vegetables have been boiling since 10 o'clock.
I have boiled the vegetables, you may cook salad.
I have waited for your answer for a week, but in vein.
I have been waiting wait) for your answer for a week, and here it is!
I have been trying to find my documents since last Sunday.
At last I have found my documents.
Father has been drilling holes in the wall since noon.
Father has drilled holes in the wall, and now he is hanging shelves.
We have been saving the money for our holiday for a year.
We have saved a lot of money for our holiday, and now we are going to Europe.