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1:-The electrician has reapaired the lighting system.
N:- The electrician has not repaired the lighting system.
I.:- Has the ekectrician reoaired the lighting system?.

2:- A thief has stolen Mary´s purse.
N:- A thief has not stolen Mary´s purse.
I:- Has thief stolen  Mary´s purse?.

3:- They have accepted credit cards.
N:-They have not accepted credit cards.
I:_have They accepted credit cards?.

4:- We have song different songs at the camp.
N:-We have not song different songs at the camp.
I:-Have We song different songs at the camp?.

5:-They player has hit me with the ball.
N:-They player has not hit me with the ball.
I:-Has They player hit me with the ball?.

6:-The students have printed the magazine.
N:-The students have not printed the magazine.
I:-Have  The students printed the magazine?.

7:- The children has swun in the lake.
N:-The children has not swun in the lake.
I:- Has The children swun in the lake?.

8:-The inspector has showed us the secret files.
N:-The inspector has not showed us the secret files.
I:-Has The inspector showed us the secret files?.

9:-Susan has got $50 as a prize.
N:-Susan has not  got $50 as a prize.
I:-Has Susan got $50 as a prize?.

10:-The passengers have watched many movie.
N:-The passengers have not watched many movies.
I:-HaveThe passengers watched many movies?.