Final answer:
The correct form of the verb is 'te encantan'
Step-by-step explanation:
The correct form of the verb for this sentence is te encantan. The verb encantar is used to express liking or loving something. In this sentence, the subject is tú (you) and the object is las uvas (the grapes), which is plural. Therefore, you need to use the second person singular form of the verb encantar, which is te encantan.
Learn more about Verb conjugation in Spanish