hello, i am helen  from china. i can speak english, and now learn a little bit of spanish. hope talk with you in spanish. tks. and i stay in yiwu  china. yiwu city is a internation city. most of the customer come to yiwu to perchase goods. and my work is : to be foreign trading agent for customer who buy the goods from china. if you want to know more about china or something else, please email me: hongyifashion168@163.com

Oh :( A veces parece muy difícil pero si es un problema de la morfología del tiempo, entonces sólo es necesario practicar.
Si el problema es el USO del tiempo entonces sí hay que estudiar, analizar contextos, etc. Pero no hay que desanimarse :)

todo.....