1) Преобразовать следующие предложения из действительного залога в страдательный
Several people saw the accident.

Five countries signed the agreement.

You use the mouse to change the shapes of a graphic object.
2) Преобразовать предложения из прямой речи в косвеную 

 He asked, "How will he find it out?"

 'I can show you the collection of mail stamps of my father', he added.

"Please, don't smoke here", said the professor.

 

 

 

The accident was seen by several people

The agreement was signed by five countries

The mouse is used to change the shapes of a graphic object.

He asked about how he would find it out.

he said that he couldn't show me the collection of mail stamps of his father

the professor asked not to smoke there.