1.

• (-) The thief has not gone before the girl realized her wallet was robbed
• (+) The thief has gone before the girl realized her wallet was robbed
• (?) has the thief gone before the girl realized her wallet was robbed?

2.

• (-) we have not heard this since morning
• (+) we have heard this since morning
• (?) have we heard this since morning?

3.

• (?) has my mother bought some skirts?
• (+) my mother has bought some skirts
• (-) my mother hasn't bought some skirts

4.

• (+) my little sister has been reading comic since three years ago
• (-) my little sister has not been reading comic since three years ago
• (?) has my little sister been reading comic since three years ago?

5.

• (+) Rina has never seen the sea for five months
• (-) Rina has never not seen the sea for five months
• (?) has Rina never not seen the sea for five months?

6.

• (?) Have your parents always understood your problems?
• (+) Your parents have always understood your problems
• (-) Your parents have always not understood your problems

7.

• (-) They have not gone to Ubud for two weeks
• (+) They have gone to Ubud for two weeks
• (?) Have they gone to Ubud for two weeks?

8.

• (?) Has the boxer ever won an important fight?
• (+) the boxer has ever won an important fight
• (-) the boxer has never won an important fight

9.

• (+) We have been playing cards for the last few hours
• (-) we have't been playing cards for the last few hours
• (?) Have we been playing cards for the last few hours?

10.

• (?) have you ever broken your arm?
• (+) you have ever broken your arm
• (-) you have never broken your arm