used to - definition and synonyms

modal verb 

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/ˈjuːst tuː/
Used to is usually followed by an infinitive: We used to swim in the river. But sometimes the following infinitive is left out: I don’t play golf now, but I used to.
Used to only exists as a past tense.
Questions and negatives are usually formed with ‘did’ + use to (with no ‘d’): Did you use to work here?We didn’t use to earn much. The spelling ‘did used to’ is sometimes used, but many people think that this is wrong.
In formal English, negatives are often formed with used not to: They used not to allow shops to be open on Sundays. The short forms usen’t to and usedn’t to are sometimes used, but they sound rather formal and old-fashioned.
  1. used for saying what was true or what happened regularly in the past, especially when you want to emphasize that this is not true or does not happen now

    I used to enjoy gardening, but I don’t have time for it now.

    They always used to ring me and say what they were doing.

    Where did you use to live before you moved here?

    I didn’t use to like him, but now we’re good friends.

    Customers didn’t use to want to shop from home.

    There used not to be so much violence.

     Synonyms and related words