Which word creates the verb mood error in this sentence: "if i was taller, i could reach the top shelf"? could top was reach

The word that creates the verb mood error is:

Was.

Step-by-step explanation:

"I were" is called the subjunctive mood, and is used when you're are talking about something that isn't true or when you wish something was true.

Here in the given statement:

" If I was taller, I could reach the top shelf "

Here the word that creates the verb-mood error is:

Was.

( Since the correct grammatical form of the statement or sentence is:

" If I were a little taller; I could reach the top shelf " )

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thus, the first answer choice, y = sec x, is the correct one