The present tense of took a leaf out of someone's book is take a leaf out of someone's book.

The third-person singular simple present indicative form of take a leaf out of someone's book is takes a leaf out of someone's book.

The present participle of take a leaf out of someone's book is taking a leaf out of someone's book.

The past participle of take a leaf out of someone's book is taken a leaf out of someone's book.