<span>Me duele la cabeza.
This means I have a headache.
The reason for this is because it is an I statement and the other that isn't a question is a you statement which isn't explaining how you feel.
Hope this helps!</span>
1) gusta
2) gustan
3)gustan
4) gusta
5) gusta
6) gustan
7) gustan
8) gustan
9) gustan
10) gusta
11) gusta
12) gustan
13) gusta
gusta= singular
gustan= plural