What are two verbs and their matching tenses in this sentence:

One reason Susan Cain claims that introverts should be able to think creatively, brainstorm in their own quiet ways, and that introverts should not have to use socially accepted of thinking is because in the video she states. “

claims (present tense)

think (present tense)

Any others

brainstorm (present tense)

states (present tense)