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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
by the third week
Grammar usage guide and real-world examplesUSAGE 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
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
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
By the third week, he said, both he and friends he asked for reactions were seeing results.
News & Media
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
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
"But by the third week, they were making music".
News & Media
"By the third week I was like a kid again.
News & Media
By the third week in June, the Bancrofts were still divided and still confused.
News & Media
So much for that – by the third week they were turning people away.
News & Media
But by the third week, we kept bugging each other and our productivity level went down.
News & Media
"By the third week... my sister was getting even worse, she couldn't even walk.
News & Media
But by the third week, there was a statistical improvement in both groups".
News & Media
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.
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.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
within the third week
Replaces the preposition "by" with "within", indicating an action occurring inside the specified timeframe.
in the third week
Uses "in" instead of "by", focusing on the action taking place during the third week, not necessarily before its end.
during the third week
Similar to "in the third week", emphasizing the period when something happens.
at the end of the second week
Describes a point in time just before the third week, implying a similar deadline.
leading up to the third week
Focuses on the time period preceding the third week, suggesting preparation or anticipation.
prior to the third week
Formally indicates something happening before the third week.
before the third week arrives
Highlights anticipation of the third week.
up to the third week
Specifies the time until the third week.
as the third week approaches
Highlights anticipation.
no later than the third week
Emphasizes a deadline.
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested