Final answer:
The correct form to use in the sentence 'I wish I ______ taller' is 'were' in the subjunctive mood.
Step-by-step explanation:
The subject of this question is English. The question is asking about the conjugation of the verb 'to be' in the subjunctive mood. The verb tense used when expressing a hypothetical or unlikely scenario is the subjunctive mood, and in this case, the student is asking whether to use 'was' or 'were' in the sentence 'I wish I __________ taller.'
In English, the correct form to use in this sentence is 'were'. This is because when expressing a hypothetical or counterfactual situation, the subjunctive mood is used, and in the case of the verb 'to be', the past subjunctive form is 'were' for all pronouns.
For example:
- I wish I were taller.
- She wishes she were here.
- They wish they were rich.