Do grammar exercises. a) turn sentences in the active voice into the passive voice. (10 ) 1) this man committed the crime a week ago. 2) the detectives investigate the most serious crimes. 3) the policemen can stop and search any person or a vehicle. 4) the officer will interrogate the suspect later. 5) the thief stole some paintings from the gallery. b) turn the sentences from direct into reported speech. (20 ) 6) mary said: “i want to see the crime scene”. 7) tom said: “i have lost my keys.” 8) bob and mary said: “we are discussing the trial.” 9) andrew said: “my client is coming to discuss the details”. 10) mr. jones said: “i need to meet the policeman who arrested the thief.” 11) ‘when will you call me? ’ she asked george. 12) she asked, ‘can you invite the witness? ’ 13) he asked, ‘did you see it? ’ 14) ‘do you study civil law? ’ she asked john. 15) ‘what has this man done? ’ the officer asked.