- A. The past simple is used for regular actions or habitual behavior in the past, often with a frequency adverb.
Example: I hardly ever went away on holiday when I was young.
- B. Used to + infinitive is used to refer to past habits and situations which no longer occur or exist now.
Example: We used to have a cat, but he died last year.
I always used to walk to work until I bought a car
- The negative and question forms:
Example: I didn’t used to like cheese.
Where did you use to live?
NOTE : Used to can not express present habitual behavior:
Example: I usually (not use to) play tennis twice a week.
- C. Would + infinitive is used to refer to past habits, but not past situations.
Example: My dad would often read to me when I was a young boy.
Example: I used to (not would) have a bicycle.
Stative verbs such as:
have(possession), be, live, like, believe, think, (=have an opinion) ,understand & know are not used with would to refer to the past.
Be used to / Get used to + noun or gerund
Be used to + noun / gerund means “be accustomed to”.
Example: She’s a nurse so she’s used to seeing sick people.
Get used to + noun / gerund means “become accustomed to”.
Example: I want to live Athens; I can’t get used to the heat.