When a verb follows a preposition (like 'to', 'for', 'at', 'in', 'on', etc.), it typically takes the infinitive form. The infinitive form of a verb is usually preceded by 'to' and consists of the base form of the verb (e.g., 'to go', 'to eat', 'to meet').
Infinitive Structure:
In the given context, 'to' is a preposition indicating purpose. The action following the preposition should be in its base or infinitive form.