no puedo leer tu mensage tienes pin
It means 'I can't wait to read the messages in your blog',
Puedo means I can, and no puedo is I can't.
"Primos tienes" means "Do you have cousins?" in Spanish.
"Tienes" means "you have" or "do you have".
si can be "if" or "yes" tienes comes from tener which mean "to have" there it can be either "if you have" or "yes you have/you do have"
leer means to read
As a question ¿Tienes Primos? = Do you have cousins? As a statement: Tienes primos. = You have cousins.
Cual almuerzo tienes = what lunch do you have?
It would mean "as or like to read". If you wrote "Cómo leer", it would be "how to read".
Puedo trabajar means I am able to work.
buenos = good (masculine plural)tienes = you have
have have