Gatsby has obviously never met a girl like daisy that’s why she intrigues him, he’s used to average girls but daisy is the first girl to make him feel the way he does
First, you find the simple subject and simple predicate.
If the '-ing' form of the verb is not part of the simple predicate, then determine how it is used in the sentence. If it's in a noun position, then it's a gerund. If it is used as an adjective, then it will be a participle.