1
"I'm sorry I forgot your birthday."
2
The opposite of forget.
3
"Let's go to the concert."
4
Say you will do something.
5
Make a decision.
6
The opposite of start / begin.
7
"You should go to the doctor."
8
Study (a language for example).
9
Dislike very much.
10
Make something easier for someone.
11
Like very much.
12
Make an effort.