Question 1

What does "used to" mean?

Accepted Answer

Used to describe a habitual action in the past that no longer happens.

Question 2

How do you use "used to" in a sentence?

Accepted Answer

I used to cycle to school every day, but now I take the bus.

Question 3

Is "used to" formal or informal?

Accepted Answer

"used to" is register-neutral — appropriate in both casual and formal contexts. Strictly speaking, 'used to' is a semi-modal/defective verb rather than a classic phrasal verb, but it is commonly included in phrasal verb lists for learners. Always followed by a bare infinitive. Note: 'Did you use to...?' and 'used you to...?' are both valid questions, but 'did you use to' is far more common in modern English.

used to

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