Verbos en presente

Verbo to be:
https://www.englishclub.com/grammar/verb-tenses_sys-tenses-be-song.htm

Jumbled Sentence Game

https://www.englishclub.com/esl-games/grammar/jumbled-tenses-present-simple-1.htm

Present Simple Tense Quiz

https://www.englishclub.com/grammar/verb-tenses_present-simple_quiz.htm