used to - используются, когда говорят о бывших действиях I used to smoke when I was young and silly. I didn't use to go swimming when I was at school.
или состояниях.
I used to be shy at school.
would - только о действиях. I would often read a book in the evening.
I would/used to visit my aunt in the countryside every summer.
Nurlybek used to have long hair, now he has short hair.
My brother used to love going to cinema; now he prefers the theatre.