Changed into negative and interrogative form

Changed into negative and interrogative form 
1.They used to play tennis twice a week

2.I used to go to the gym three times a week 

3.Tennis used to be a sport for rich people only 

4.My father used to lake me to see soccer games on saturday 

5.He used to buy a new tennis racket 
     
                                         m.ng giúp mk nha đg cần gấp ạ 
                                                                 cảm ơn ^^