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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I thought do

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I thought do" is not correct and does not make sense in written English.
It appears to be an incomplete thought or a grammatical error, as it lacks proper structure and context. Example: "I thought do you want to join us for dinner?" (This is still incorrect, but it shows an attempt to form a question.)

⚠ May contain grammatical issues

News & Media

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

"I thought, 'Do you know what?

But then I thought, do I?

News & Media

The Guardian

"At one point I thought, Do we call this ballgame?

"I thought, Do I want to go on tour again?

News & Media

The New Yorker

Why not, I thought, do all of this intentionally, with planning?

"I thought, do I really want to sleep underground in a basement?

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

6 human-written examples

"I thought: Did someone die?

News & Media

The New York Times

I think: don't talk.

News & Media

The New Yorker

Or at least I think do".

News & Media

The New York Times

But what I think doesn't matter.

I think Doesn't it?

News & Media

Huffington Post
Show more...

Expert writing Tips

Best practice

When you intend to express a question you pondered, use grammatically correct alternatives such as "I wondered if" or "I considered whether" instead of the ungrammatical phrase "I thought do".

Common error

Do not use the phrase "I thought do" as it's grammatically incorrect. Always ensure the phrase is followed by a question word (if, whether, etc.) or rephrase the sentence for clarity.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I thought do" functions as an incomplete expression of internal questioning or consideration. While the Ludwig examples show its common usage in introducing a question, it lacks grammatical correctness, as noted by Ludwig AI.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Academia

0%

Formal & Business

0%

Science

0%

Ludwig's WRAP-UP

The phrase "I thought do" is a frequently used, but grammatically incorrect expression. While it commonly appears in news and media as shown by Ludwig examples, it is generally advisable to use grammatically correct alternatives such as "I wondered if" or "I considered whether", especially in formal contexts. As Ludwig AI indicates, the phrase doesn't follow standard grammatical rules, and should be used with caution.

FAQs

How can I rephrase "I thought do" to be grammatically correct?

Instead of "I thought do", use phrases like "I wondered if", "I considered whether", or "I asked myself if". These options provide grammatical accuracy while conveying a similar meaning.

Is "I thought do" ever considered acceptable in formal writing?

No, "I thought do" is generally considered grammatically incorrect and is unsuitable for formal writing. Opt for more precise and grammatically sound alternatives like "I wondered if" or "I considered whether".

What's the difference between "I thought do" and "I thought about doing"?

"I thought do" is grammatically incorrect, while "I thought about doing" is correct. "I thought about doing" implies consideration of an action, whereas "I thought do" is typically meant to introduce a question and needs rephrasing. Consider this phrase like "I wondered if".

Can I use "I thought do" in informal conversation?

While "I thought do" is frequently used in informal speech, it remains grammatically incorrect. Using it may come across as less educated. If you're trying to ask yourself something, try this instead "I asked myself if".

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Source & Trust

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Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: