No hate, I write cliche stuff too, Just going to list the cliche stuff I know, somewhat like a challenge. Feel free to add up something in the list.
This is a somewhat continuation of my previous blog: Cliche Stuff Most Of Us Commonly See/Read
Hello

1. Omegas are always bullied.
2. Omegas are relentlessly portrayed as weaklings and are overly submissive.
3. Heat brings the main pair together.
4. Main character is an omega.
5. The omega is surrendered to the alpha "pack leader" to "consume". In other words: offering, arranged marriage
6. They're in the middle of the forest and wears jeans but there are no signs of 20th century civilization anywhere. 
7. Mates can talk to each other through telepathy.
8. Mates feel what each other feels, but sometimes they don't.
9. Bonding by leaving a bite mark on the neck.
10. Omega was or nearly and gets saved by the alpha, if not this, the alpha is the one who the omega. The omega falls in love with him anyway
11. Betas are rare.
12. Although the hierarchy is Alpha>Beta>Omega, they make it seem like the Betas are the lowest.
13. Knots last for hours. Wow.
14. Alpha triggers the omega's heat earlier than expected.
15. Mates smell their favorite scent on each other.
16. "Mine, mine, mine, MINE!" -Alpha
17. There's a little chance of finding a fic with a Beta as main lead.
18. Rival pack kidnaps alpha's mate and forces him to accept defeat.
19. Alpha main lead is a pureblood alpha.
20. A mansion in the middle of the forest with fully functioning electric appliances.
21. Obligatory mating scene.
22. Omega goes into heat at a public place.
23. Alpha main lead is tsundere.
24. Alpha main lead is a prince.
25. Obligatory fight scene with the third party alpha.