What happens if he is unable to take a mental note?
I made a mental note to tell him about it the next year.
Grieving parents tell us what has happened, and we make a mental note that in one way or another we will do something about it.
We will continue this debate tomorrow, but it is good to make a mental note of this.
I had made a mental note of the point.
The narrator decides to take a mental note of the white mans license plate, and pays him a house visit.
Make all these mental notes of the stuff.
I have listened to the speeches and made a few mental notes.