We can actually deduce here that the verb that is in the incorrect tense is: was.
A verb is actually known as a word which is used to show an action in a sentence. Verbs are known as action words.
We can see that saying "...but it was 8:15" after saying "Lydia had planned to leave at 8:00..." isn't correct. It should be "...but it is 8:15" that is the current time she grabs her jacket.
So, "was" the verb in incorrect tense.
Learn more about verb on https://brainly.com/question/1718605
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