a) He used to work for a famous company.
b)Have you used to eat many sweets when you were four?
c)Peter used to not play the violin so well.
d)She used to swim in the river every morning.
e)We used to not spend our holidays in the countryside.
f) Has Sally used to read English books when she was 10?
2.
a) didn’t brought
b)forgot
c)flew
d)wrote
e)didn’t sent
f)told