Ex. 6. (A) Replace the attributiveclauses bythe Participle.
Model: All the people who live in this house are students. All the people living in this house are students.
1. The man who is speaking now is our new secretary. 2. The apparatus that stands on the table in the corner of the laboratory is quite new. 3. The young man who helps the professor in his experiments studies at an evening school. 4. People who take books from the library must return them intime. There are many pupils inour class who take part inthe performance.