1. do grammar exercises. a) turn sentences in the active voice into the passive voice. 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.

1. 
a)
1) The crime was committed by this man a week ago. 
2) The most serious crimes are investigated by the detectives.
3) Any person or a vehicle can be stopped and searched by the policeman. 
4) The suspect will be interrogated by the officer later. 
5) Some paintings were stolen from the gallery by the thief.

b)
6) Mary said that she wanted to see the crime scene.
7) Tom said that he had lost his keys.
8) Bob and Mary said that they were discussing the trial.
9) Andrew said that his client was coming to discuss the details.
10) Mr. Jones said that he needed to meet the policeman who had arrested the thief.
11) She asked George when he would call her.
12) She asked if I could invite the witness.
13) He asked if I had seen it.
14) She asked John whether he studied civil law.
15) The officer asked what that man had done.