Don't forget to your schedule. 

She was so angry that she forgot myself. 

If you don't study, you can forget about pass the exam

 I forgot about I had finished my homework. 

I forgot to calling my mom this morning.

I'm so glad you still remember me.

You need to apologize for not bringing her important letter with you.

Remember we are best friends.

I remember everything about the day I got married.

He expects his ex-girlfriend doesn't miss him.