Interrogativa:What did you do yesterday night?What will you do the day after tomorrow? Do you want to play with us? What time will you arrive tomorrow? How old are you?
Afirmativa: If I will go to the park tomorrow, If I will go to the movies with you, If I want to play with you, Yes, yesterday my friend fell, Yes, I want that ball
Negativa: I will not go to the park tomorrow, I will not go to the movies tomorrow, My friend did not fall, I do not want to go after work, I do not want to sleep late