Grammar Workshop: Proved/proven, Strived/striven

by Jennie Ruby

Note: Asterisks indicate a grammatically incorrect sentence.

Good grammar is often seen as a sign of a good education, and one of the points of grammar that parents and teachers emphasize in this regard is the correct use of the past participle. Where I grew up in rural Maryland, we tended to say things like *"Have you ate lunch yet?"* and *"Have you ever went to that theater?"* Of course, teachers and parents corrected us: have you eaten and have you gone.

I had a flashback to that time recently when I was teaching a group of science editors and they asked me whether proved or proven was the correct past participle in a sentence such as "This treatment has proved/proven effective." At first, I did not know the answer. But of course I had grammar and usage books with me, and I quickly found that proven should be used as an adjective and proved should be used as a verb, like this:

This treatment has proved effective.

The proven treatment is used most often.

The reason I did not immediately know the answer, and the reason that teachers and parents have to constantly remind children of the correct form for these words, is that
prove, eat, and go are irregular verbs. If you ever studied another language such as French or Spanish in school, you may remember spending a lot of time memorizing the irregular verbs. They have to be memorized in English as well.

The irregular verbs are difficult to learn simply because they do not follow the normal pattern of English verbs. Regular verbs follow the pattern of adding -ed to create the past and the past participle (used with have or has) forms, like this: walk, walked, have walked. Irregular verbs have different spellings in the past and past participle forms: eat, ate, has eaten; go, went, has gone.

Adding to the confusion surrounding irregular verbs is the fact that British and American usage differ on some, such as get, got, has gotten (American) vs. get, got, has got (British). Further, over time, some irregular forms fall into disuse, like cleave, clove, has cloven. Nobody says it that way any more, so the correct use today is regular: cleave, cleaved, has cleaved. But the old word cloven is still used as an adjective, as in the phrase "some animals have cloven hooves."

What about strive? I have two grammar books in front of me. One says strive is irregular: strive, strove, has striven. The other simply does not list it as irregular, leaving us to believe it is regular: strive, strived, has strived. What is a writer to do? Even though there are variations on what is correct, the best strategy is to choose your favorite grammar or style book and follow its recommendations for the forms of irregular verbs.


About the Author: Jennie Ruby is a veteran IconLogic trainer and author with titles such as "Essentials of Access 2000" and "Editing with MS Word 2003 and Adobe Acrobat 7" to her credit. Jennie specializes in electronic editing. At the American Psychological Association, she was manager of electronic publishing and manager of technical editing and journal production. Jennie has an M.A. from George Washington University and is a Certified Technical Trainer (Chauncey Group). She is a publishing professional with 20 years of experience in writing, editing and desktop publishing.


Want help with a grammar issue? Email us your troubles and we’ll turn Jennie loose!

12 Replies to “Grammar Workshop: Proved/proven, Strived/striven”

  1. Thank you so much for this site! I have this picky little habit of spotting improper grammar, but I was confused over the proved/proven question. Thank you so much!

  2. Thank you so much for this site! I have this picky little habit of spotting improper grammar, but I was confused over the proved/proven question. Thank you so much!

  3. Thank you so much for this site! I have this picky little habit of spotting improper grammar, but I was confused over the proved/proven question. Thank you so much!

  4. From what I can see it looks as if this is a case that is being debated. I would say that as a past participle proved and proven both work. You may see proved and proven in the case of “it has been proved” or “it has been proven” often. I have read defenders of both. However, everyone seems to come down on the side of proven being the adjective. Although, it seems there are specific phrases where one or the other is exclusively used such as: you have proved your point. Here proven is not typically used.
    Personally, I never use “proved” as a past participle. There are enough people out there that support “proven” that allow me to be confident in my continued use of it as a past participle.

  5. From what I can see it looks as if this is a case that is being debated. I would say that as a past participle proved and proven both work. You may see proved and proven in the case of “it has been proved” or “it has been proven” often. I have read defenders of both. However, everyone seems to come down on the side of proven being the adjective. Although, it seems there are specific phrases where one or the other is exclusively used such as: you have proved your point. Here proven is not typically used.
    Personally, I never use “proved” as a past participle. There are enough people out there that support “proven” that allow me to be confident in my continued use of it as a past participle.

  6. From what I can see it looks as if this is a case that is being debated. I would say that as a past participle proved and proven both work. You may see proved and proven in the case of “it has been proved” or “it has been proven” often. I have read defenders of both. However, everyone seems to come down on the side of proven being the adjective. Although, it seems there are specific phrases where one or the other is exclusively used such as: you have proved your point. Here proven is not typically used.
    Personally, I never use “proved” as a past participle. There are enough people out there that support “proven” that allow me to be confident in my continued use of it as a past participle.

  7. Say it out loud! “I have strived…”, as opposed to, “I have striven…”. I have just watched our Prime Minister (as was), and listened to his resignation speech. The second usage, I submit, would have been more dignified. Somehow, it has more resonance.
    Mike K

  8. Say it out loud! “I have strived…”, as opposed to, “I have striven…”. I have just watched our Prime Minister (as was), and listened to his resignation speech. The second usage, I submit, would have been more dignified. Somehow, it has more resonance.
    Mike K

  9. Say it out loud! “I have strived…”, as opposed to, “I have striven…”. I have just watched our Prime Minister (as was), and listened to his resignation speech. The second usage, I submit, would have been more dignified. Somehow, it has more resonance.
    Mike K

  10. Your explanation of the proved/proven issue is very useful. However, regarding one of your examples, I would remind you that the verb “to go” is conjugated not only as “I go / I went / I have gone”, but also as “I have been”, as in “I’ve been to London three times this year”.

  11. Your explanation of the proved/proven issue is very useful. However, regarding one of your examples, I would remind you that the verb “to go” is conjugated not only as “I go / I went / I have gone”, but also as “I have been”, as in “I’ve been to London three times this year”.

  12. Your explanation of the proved/proven issue is very useful. However, regarding one of your examples, I would remind you that the verb “to go” is conjugated not only as “I go / I went / I have gone”, but also as “I have been”, as in “I’ve been to London three times this year”.

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