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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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By that time

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'By that time' is correct and usable in written English.
You most commonly use it to indicate an approximate time in the future. For example, "By that time, I should have finished the report."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

By that time he could barely talk.

News & Media

BBC

By that time (c.

By that time the scouts had departed.

News & Media

Independent

By that time, 20 children were dead.

News & Media

The New York Times

By that time, Weiner was two.

News & Media

The New Yorker

By that time Hilda was walking again.

News & Media

The New Yorker

By that time she was dead.

News & Media

Independent

By that time the movement had folded.

By that time, it was 1972.

News & Media

The New York Times

"By that time," says Fletcher.

News & Media

The Guardian

By that time, the game was over.

Show more...

Expert writing Tips

Best practice

Use "By that time" to clearly establish a temporal relationship between events, making sure the context provides a clear reference point for 'that time'.

Common error

Avoid ambiguity by ensuring the 'that time' in "By that time" is clearly defined or easily inferred from the preceding context. Vague references can confuse readers.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "By that time" functions as a time adverbial, modifying a clause by specifying when an event or state occurred or will occur. As confirmed by Ludwig AI, it's used to indicate an approximate time, linking it to a previously referenced point in time. The examples show its role in establishing temporal context.

Expression frequency: Very common

Frequent in

News & Media

59%

Encyclopedias

15%

Science

10%

Less common in

Wiki

3%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "By that time" is a versatile time adverbial phrase used to clearly establish temporal relationships between events, as supported by Ludwig AI's analysis. It's most commonly found in news and media, encyclopedias and scientific writing, with a neutral register that suits a variety of contexts. While alternatives like "by then" or "at that point" exist, "By that time" provides a specific reference. When using the phrase, ensure the temporal reference is clearly defined to avoid ambiguity, remember that is one of the most important tip that you should consider.

FAQs

How do I use "By that time" in a sentence?

Use "By that time" to indicate a specific point in the past or future, referencing a previously mentioned event or time. For example, "The project was due in a month. "By that time", I had already completed half of the work."

What can I say instead of "By that time"?

You can use alternatives like "by then", "at that point", or "eventually" depending on the specific context.

Is it more appropriate to use "By that time" or "By then"?

""By that time"" and "by then" are often interchangeable, but ""By that time"" can provide slightly more emphasis or clarity, especially when the reference point is complex or requires more specific definition.

What's the difference between "By that time" and "In that time"?

""By that time"" indicates a point when something will have occurred, while "In that time" specifies a duration during which something happens. For example, ""By that time", the meeting will be over" vs. "In that time, much can be accomplished".

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Source & Trust

81%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: