some tips to take in count

• (EN) When you are using 3th person of singular (he, she, it), the verb allways ends with 's'
  (ES) Cuando estás usando 3ra persona del singular, los verbos terminan en 's'
  
• (EN) When you are using continuos present tense, you have to add 'ing' at the final of the verb
  (ES) Cuando estás usando prente continuo, dbes agragar 'ing' al final del verbo.