what is the wrong verb in this sentence?

One person done something wrong?

You use did for the simple past tense, use done for the present perfect and past perfect tenses. (forms of to do) In this case, it is in the present, so you would use 'did.'

The wrong verb is "done." It should be:

One person DID something wrong.

Also, One person done something wrong doesn't make sense and one person did something wrong makes sense.

How did they know something was wrong?

Where is verb in my question

The wrong verb in the sentence is "done." The correct verb to use in this sentence is "did." To identify the wrong verb in a sentence, you need to understand the grammar rules of the sentence structure.

In this case, the verb "done" is the past participle form of the verb "do." However, past participles are usually combined with auxiliary verbs like "have" or "has" to form the perfect tenses. For simple past tense sentences, the correct form of the verb is the simple past tense form, which in this case is "did."

To correct the sentence, it should say:

"One person did something wrong."

If you are not familiar with the simple past tense forms of verbs, you can consult a grammar resource or use an online grammar checker tool to verify and correct sentence errors.