Lección de video
Mandatos afirmativos de tú: https://www.youtube.com/watch?v=5Eck_uSa2QQ
Mandatos afirmativos de tú - los verbos irregulares: https://www.youtube.com/watch?v=RR0JceTsrzk
Mandatos negativos de tú: https://www.youtube.com/watch?v=xMo_NUicxEo
Lección escrita
https://www.spanishdict.com/guide/affirmative-informal-tu-commands
https://studyspanish.com/grammar/lessons/informcomm1
https://studyspanish.com/grammar/lessons/irregtucomm
Práctica
https://www.spanishdict.com/quizzes/65/affirmative-informal-tu-commands
https://studyspanish.com/grammar/test/informcomm1
https://studyspanish.com/grammar/test/irregtucomm
https://personal.colby.edu/~bknelson/SLC/commands_tu1.html
https://personal.colby.edu/~bknelson/SLC/commands_tu2.html
https://personal.colby.edu/~bknelson/SLC/commands_tu3.html
https://personal.colby.edu/~bknelson/SLC/llapingachos.html
*Note: The test will focus exclusively on affirmative tú commands, but some of these lessons and practice activities have both affirmative and negative commands.
Lección de video
https://www.youtube.com/watch?v=wakiBSiW6Is
Lección escrita
https://www.spanishdict.com/guide/spanish-present-progressive-forms
https://studyspanish.com/grammar/lessons/presprog
Práctica con el gerundio
http://personal.colby.edu/~bknelson/SLC/gerund.php
http://www.bowdoin.edu/~eyepes/newgr/ats/27.htm
Práctica con el presente progresivo
http://www.spanishdict.com/topics/practice/77
http://personal.colby.edu/~bknelson/SLC/prog_pres.php
https://conjuguemos.com/activity.php?language=spanish&id=20&source=public&type=verbs
Lección de video
https://www.youtube.com/watch?v=2RHRH8YXyHk
Lección escrita
http://www.spanishdict.com/topics/show/35
https://studyspanish.com/grammar/lessons/presperfect
Práctica
https://www.spanishdict.com/quizzes/35/present-perfect
https://conjuguemos.com/activity.php?language=spanish&id=14&source=public&type=verbs
https://conjuguemos.com/activity.php?language=spanish&id=15&source=public&type=verbs
https://conjuguemos.com/activity.php?language=spanish&id=16&source=public&type=verbs
http://personal.colby.edu/~bknelson/SLC/pres_perf.php