She had a crush on you, you know.
You never knew I had a crush on you.
Not every girl has a crush on you, Dan.
It all falls down with songs like Crush On You.
It isn't necessary to mention the crush you have on your co-worker.
"You can have a crush that you're crushing on, but you can't crush your crush," Mr. Hayden says.
I have a crush on you
a crush on you