I've liked it
I've always kind of liked it.
I liked it.
Lo que he visto, me ha gustado.
What I saw, I liked.
Acabo de leer un libro que me ha gustado.
I just read a book that I liked.
Este libro me ha gustado mucho.
I really enjoyed this book.
Este libro no me ha gustado mucho.
I didn't like this book very much.