A list of tropes to start you off with...

Here are some common contemporary and romantic comedy tropes:

Here are some common tropes you'll see in non-romance genres:

The chosen one - like Harry Potter or Luke Skywalker
The broken hero who goes on to do amazing things
The villain disguised as a hero
The lone wolf looks after a child or young sidekick - that can be like the grumpy/sunshine trope
The villain who becomes the good guy - anti-hero
The bad guy's kid who redeems him or herself
Time travel is always a fun trope to play with
Kick-ass heroine
Bad girl finds redemption
Bad boy finds redemption
The protective father-figure who would do anything for the ones he loves
The mama bear who will fight for her cubs

a list of universal fantasies to start you off with...

Being forced to move somewhere out of your comfort zone
The mystery location and mysterious past. Where are they going? Where have they come from?
The bully/bad boy/cool guy notices you in spite of the fact you feel like a nobody
He changes for her - this is the bad boy redemption story
A fixer upper - a character who just needs a little work, and when the right people or person comes into his/her life they start to change for the better… that ties in beautifully with the grumpy/sunshine trope or the trope where the tough hero is stuck looking after a kid who softens him up.
Or this fixer upper could be a project - like a rundown house that needs renovations or a company that's in dire straits and your character is going to come in there like a whirlwind and save the day.
Wounded main character needs healing and tender care
Loved one in danger
Protecting his woman
The makeover
Family reunited
Cozy small town
Disarming the bomb
Doing the right thing
Sacrificing everything for love
Getting what you've always dreamed of