Someone has eaten all the cakes. I'll have to buy some more.
What have you bought your sister for her birthday?
My throat is really sore. I have been singing all evening.
Brenda has been learning Russian, but she finds it difficult.
How many people have you invited to your party?
Those cats have been sitting on that branch for the last hour.
It has been raining all day! Why can't it stop?
Diana has been wearing twelve different dresses in the past week.
I have done what you asked. What should I do now?
Graham and Pauline have been trying to find a horse for ages, but they can't find one they can afford.
