this will help to improve your Spanish grammar tenses. Whether you are an Spanish language learner, or a native Spanish speaker, this Spanish grammar app will help you with the structure of Spanish. By improving your Spanish grammar, your writing and speaking will both improve. You can also practice Spanish Grammar from this app.. What is included in the app? Modo indicativo Las formas no personales del verbo Presente de indicativo Verbos reflexivos Pretérito Perfecto Pretérito Imperfecto Pretér