Can you believe it's been nearly 20 years since 10 Things I Hate About You [2] hit theatres? The 1999 classic is hands down one of the most quotable movies from the decade — and, yes, there are a lot of them [3]. The banter between Kat (Julia Stiles) and Patrick (Heath Ledger [4]) is unforgettable, and who could forget all the hilarious lines from Bianca (Larisa Oleynik), or the sweet one-liners from Cameron (Joseph Gordon-Levitt)? From the iconic "I hate you" poem to the most memorable dialogue from Joey (Andrew Keegan), we've rounded up some of the unforgettable lines from the movie — plus some trickier quotes you may have forgotten — to put your 10 Things I Hate About You knowledge to the test. When you take the quiz, will you be overwhelmed, underwhelmed, or just, you know, whelmed? Time to find out!