Wing Chun forms usless?

Just started WC 2 weeks ago and they taught me forms. How does it help? It looks weird and I don't see how it will help in combat/martial arts. Any experienced martial artist at WC that can explain to me why the forms are the way they are?
Update: Keyboard Warrior- I saw in my school some of the more advanced students doing some actually proper sparring (moving around and all) and you say that if an art doesn't have proper sparring (aliveness or whatever you said) it is fraudent but WC apparently does have some proper sparring?
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