Помогите!!!
Reword the sentences into sentences with the Subjective Participial Construction:
1. We have often heard his name mentioned.2. We saw them walking down the street, 3. The rescue helicopters found the ship drifting in the North Sea. 3. The boy watched her going cautiously up the stairs. 4. Somebody spotted a wooden box floating near the coast.

 вот как-то так1. His name has often been heard mentioned.2. They were seen walking down the street, 3. The ship was found drifting in the North Sea. 3. She was wathched going cautiously up the stairs. 4. A wooden box was spotted floating near the coast.