(5) Change the sentence as in the example. Example: After he had received all the necessary documents, he went to the

1. After Mary had passed all her examinations, she went to the seaside.- Having passed all her examinations, Mary went to the seaside.2. After he had returned from the expedition, he made a very interesting report.- Having returned from the expedition, he made a very interesting report.3. As they had lived in Spain for four years, they knew Spanish very well.- Having lived in Spain for four years, they knew Spanish very well.4. As Peter had lost the key, he could not enter the house.- Having lost the key, Peter could not enter the house.5. As the soldiers had been wounded, they were taken to the hospital.- Having been wounded, the soldiers were taken to the hospital.6. After Mr. Jefferson had arranged everything, he went home.- Having arranged everything, Mr. Jefferson went home.7. After the guests had taken off their coats, they went upstairs.- Having taken off their coats, the guests went upstairs.