What agreement error would this sentence be?

One of the options concerning his future surgeries were discussed with him.

Verb tense agreement error, subject/verb agreement error, pronoun agreement error, modifier placement error or parallel structure error

subject/verb agreement error "One… were…."

I plan on working overtime to get this jop finished

The agreement error in the sentence is a subject/verb agreement error.

The agreement error in this sentence is a subject/verb agreement error.

To identify and correct this error, you need to understand the rules of subject/verb agreement. The subject of a sentence and the verb must agree in number, which means that a singular subject requires a singular verb, and a plural subject requires a plural verb.

In the sentence provided, the subject is "One of the options concerning his future surgeries," which is singular because it refers to a single option. However, the verb used is "were," which is plural. To correct this error, we need to change the verb to its singular form.

The corrected sentence would be:

One of the options concerning his future surgeries was discussed with him.