Forget Remember - gerund lub infinitive

If you see him, remember (say) hello from me.
I’ll never forget (visit) Malta in 2011.
Did you remember (post) those letters I gave you yesterday?
Please remember (lock) the front door when you got out.
Don’t forget (close) all the windows.
A: I introduced you to Bob last month.
B: Really? I don’t remember (meet) her.
I can remember (tell) you about the accident this morning.
I remember (send) an email on Monday.
I remember (send) an email to let them know about the changes.
I’ve forgotten (tell) you that she called this morning.