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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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for which I

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "for which I" is correct and usable in written English. You can use it when referring to a specific reason or situation that you are explaining or justifying. Example: "There are several reasons for which I believe this approach is effective." Alternative expressions include "for which I am," "for which I have," and "for which I can."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

For which I remain grateful.

Goodnight, branded swag for which I swoon.

News & Media

The New Yorker

For which I, of course, apologise.

A careless lapse, for which I apologize.

News & Media

The Guardian

These are noble undertakings for which I am deeply grateful.

News & Media

The New York Times

"I have 500,000 refugees for which I am responsible.

News & Media

The New York Times

The job for which I was being paid.

News & Media

The Guardian

I haven't blogged about the National Popular Vote initiative for a while (not since June!), for which I apologize — or for which I acknowledge your gratitude, whichever applies.

News & Media

The New Yorker

The rest is a hash, a mishmash for which I deserve to be mercilessly handled.

News & Media

The New Yorker

(The work by Bloomberg, for which I am also a commentator, has attracted some controversy.

News & Media

The New York Times

Probably the operation saved my life, for which I am grateful.

News & Media

The New York Times
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Expert writing Tips

Best practice

Ensure that the noun immediately preceding the phrase is indeed the 'thing' you are acting upon or feeling toward.

Common error

Avoid using "for which I" when referring to people. If you are referring to a human antecedent, you must use "<a href="/s/for+whom+I" target="_blank" rel="alternative">for whom I" to remain grammatically accurate.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

93%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "for which I" serves as a relative clause introducer. In this construction, the preposition 'for' is 'pied-piped' to the front of the relative pronoun 'which'. As noted in Ludwig AI, this allows for a seamless transition from an antecedent noun to a subjective action, maintaining a high degree of syntactic cohesion.

Expression frequency: Very common

Frequent in

News & Media

55%

Science

25%

Formal & Business

20%

Less common in

Social Media

5%

Wiki

8%

Informal

10%

Ludwig's WRAP-UP

The phrase "for which I" is a hallmark of sophisticated English writing. Based on extensive examples from Ludwig, it is clear that this construction is favored by journalists, scientists, and academics to create clear links between actions and their underlying causes or objects. While it may feel overly formal for casual text messages, it is the correct choice for any situation requiring a professional or authoritative tone. Ludwig AI confirms its grammatical validity and highlights its versatility in expressing everything from personal gratitude to professional accountability.

FAQs

How do I use "for which I" in a sentence?

You use it to link a noun to a subsequent action that relates to that noun. For example: "The project was a task "for which I" felt uniquely prepared."

Is it better to say "for which I" or "<a href="/s/that+I+am+for" target="_blank" rel="alternative">that I am for"?

"for which I" is significantly more formal. In academic or professional contexts, "for which I" is preferred over constructions that end in prepositions.

What is the difference between "for which I" and "<a href="/s/for+whom+I" target="_blank" rel="alternative">for whom I"?

The choice depends on the antecedent. Use "for which I" for objects, ideas, or things, and use "<a href="/s/for+whom+I" target="_blank" rel="alternative">for whom I" when referring to a person or group of people.

Can I replace "for which I" with "<a href="/s/whereby+I" target="_blank" rel="alternative">whereby I"?

Only if you are describing a process or system. While "for which I" implies a reason or purpose, "<a href="/s/whereby+I" target="_blank" rel="alternative">whereby I" implies a mechanism of action.

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Source & Trust

93%

Authority and reliability

4.9/5

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Real-world application tested

Most frequent sentences: