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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 the third week

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "by the third week" is correct and usable in written English.
You can use it to indicate a deadline or a specific point in time by which something is expected to happen or be completed. Example: "We expect to see significant progress by the third week of the project."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

And had a knot in his stomach by the third week.

News & Media

The New York Times

By the third week, he said, both he and friends he asked for reactions were seeing results.

News & Media

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

TAE-684 induced regression of the LM1 tumors by the second week and complete remission by the third week (Figure 5A).

Science

Plosone

By the third week of their freshman year, they were dating, and over the next four years they sat next to each other in most of their classes.

News & Media

The New York Times

"But by the third week, they were making music".

News & Media

The New York Times

"By the third week I was like a kid again.

By the third week in June, the Bancrofts were still divided and still confused.

News & Media

The New Yorker

So much for that – by the third week they were turning people away.

But by the third week, we kept bugging each other and our productivity level went down.

News & Media

The New York Times

"By the third week... my sister was getting even worse, she couldn't even walk.

News & Media

The Guardian

But by the third week, there was a statistical improvement in both groups".

Show more...

Expert writing Tips

Best practice

Use "by the third week" to set a clear deadline or expectation for when something should be completed or achieved. It provides a specific timeframe, making your instructions or goals more precise.

Common error

Avoid using "by the third week" when you mean something occurring during the third week. "In the third week" indicates actions within that period, whereas "by the third week" suggests completion before its end.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "by the third week" functions primarily as an adverbial phrase of time, specifying a deadline or a point in time before the end of the third week. Ludwig AI confirms its correct usage through numerous examples across diverse contexts.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

35%

Wiki

10%

Less common in

Formal & Business

5%

Reference

5%

Encyclopedias

5%

Ludwig's WRAP-UP

In summary, "by the third week" is a versatile and correct prepositional phrase used to establish a deadline or timeframe. Ludwig AI indicates its broad applicability across various contexts like News & Media and Science. The phrase functions as an adverbial of time, adding precision to instructions or plans. While highly common, it's important to distinguish its meaning from "in the third week", which denotes events occurring during that period. Use "by the third week" when setting clear expectations for completion, as it enhances clarity and ensures effective communication.

FAQs

How can I use "by the third week" in a sentence?

Use "by the third week" to specify a deadline or a point in time before the end of that week. For example, "We need the report completed "by the third week"".

What phrases are similar to "by the third week"?

Similar phrases include "within the third week", "in the third week", or "before the third week", each with slightly different nuances.

Is it correct to say "in the third week" instead of "by the third week"?

Both are correct but have different meanings. "In the third week" indicates something happens during that week, while "by the third week" indicates something is completed or due before the end of that week.

What's the difference between "by the third week" and "on the third week"?

"By the third week" sets a deadline, while "on the third week" is less common and usually refers to something specifically happening on a certain day within that week. It's better to specify the exact day instead, for example: "on Tuesday of the third week".

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: