1. Susan / have / a dog? 

⇒ Did susan use to have a dog?

2/ people / use / moblie phones 

⇒ People not used to use moblie phone 

3. He/ go / swimming 

⇒ He used to go swimming

4. They / like/ jazz music? 

⇒ Did they use to like jazz music?

5. Olga's family / live / in moscow 

⇒ Olga's family used to live in moscow

6 . We / drink/ coffe

⇒ We not used to drink coffe 

7. Yony / work/ in a bank ? 

⇒ Did yony use to work in a bank?

1.Did Susan use to have a dog?

2.Peple didn't use to use mobile phones

3.He used to go swimming 

4.Did they use to like jazz music?

5.Olga's family used to live in Moscow

6.We didn't use to drink coffee 

7.My sister didn't use to watch television

8.Did Tony use to work in a bank?