Some corrections

Comparative Adjetives

When we talk about two things, we can "compare" them, we can use comparative adjectives to describe the differences

you can not say She is not tall than me because in this case tall is a comparative adjetive, you can say She is not taller than me

If you want more information about this you can go to this link http://www.englishclub.com/grammar/adjectives-comparative.htm

Who is Lina?

My name is Lina and I live in Cali with my parents and my only brother, I'm the first daughter of my parents and I was born in Cali. When I was born, my parents didn't have many things, we lived in a small house , after 2 years my brother was born.

I started school when I was 4 years old I was not afraid of beginning school but I was a bad student because I didn't do my homework . When I was a teenager the things changed and I liked to study and to be with my classmates and my friends.

Now I am 17 years old and I'm studying at Univalle foreign languages because I want to be a teacher and I like it