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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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used to do

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "used to do" is correct and usable in written English.
You can use the phrase when you want to describe past habits or events that no longer occur. For example: "I used to go to the beach every weekend when I was younger."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

I used to do it myself.

News & Media

The New York Times

I never used to do that.

News & Media

The New Yorker

I used to do stand-up comedy.

News & Media

The New York Times

That thing we used to do.

News & Media

The New Yorker

(He used to do this onstage too).

Henry Rono used to do it.

News & Media

The New Yorker

Did she used to do something else?

News & Media

The New York Times

I used to do some acting.

News & Media

The New Yorker

Indeed, we used to do just that.

News & Media

The New York Times

Exactly like Mom used to do.

News & Media

The New York Times

"This is what Saddam used to do".

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "used to do" to clearly indicate a past habit or state that is no longer true in the present. This helps avoid ambiguity and provides a clear temporal context for your writing.

Common error

Avoid confusing "used to do" (past habit) with "use to do" (incorrect) or "be used to doing" (being accustomed to). For example, "I used to do yoga" (correct), not "I use to do yoga" (incorrect) or "I am used to doing yoga" (different meaning).

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

91%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "used to do" functions as a past habit marker, indicating an action or state that was true in the past but is no longer true in the present. Ludwig AI confirms its correct usage.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "used to do" is a grammatically correct and very common way to express a past habit or state that no longer exists. As verified by Ludwig AI, it is suitable for a wide range of contexts, particularly in news and media. When writing, ensure you're not confusing it with "be used to doing", which expresses being accustomed to something. For alternatives, consider "formerly did" or "did in the past" to convey similar meanings with slightly different emphasis.

FAQs

How can I use "used to do" in a sentence?

Use "used to do" to describe something you regularly did in the past but no longer do. For example, "I used to do volunteer work every Saturday."

What's a good alternative to "used to do"?

Depending on the context, you could use "formerly did" or "did in the past" as alternatives to "used to do".

Is it correct to say "use to do" instead of "used to do"?

No, "use to do" is grammatically incorrect. The correct form to express a past habit is "used to do". The "d" is essential.

What is the difference between "used to do" and "be used to doing"?

"Used to do" describes a past habit, while "be used to doing" means being accustomed to something. For example, "I used to do karate" (past habit), versus "I am used to doing karate" (I am accustomed to it).

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Source & Trust

91%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Most frequent sentences: