Presente Perfecto:
Video: https://youtu.be/9jHS0SzqLFo
Grammar summary: http://www.studyspanish.com/lessons/presperfect.htm
Basic quiz: http://www.studyspanish.com/practice/presperfect.htm
Mini test: http://www.studyspanish.com/tests/presperfect.htm
More: http://www.trinity.edu/mstroud/grammar/presper2.htm
https://personal.colby.edu/~bknelson/SLC/pres_perf.php
Grammar summary: http://www.studyspanish.com/lessons/presperfect.htm
Basic quiz: http://www.studyspanish.com/practice/presperfect.htm
Mini test: http://www.studyspanish.com/tests/presperfect.htm
More: http://www.trinity.edu/mstroud/grammar/presper2.htm
https://personal.colby.edu/~bknelson/SLC/pres_perf.php
Pluscuamperfecto:
Video: https://youtu.be/5VpGDhJ8eNw
Grammar summary: http://www.studyspanish.com/lessons/pastperfect.htm
Basic quiz: http://www.studyspanish.com/practice/pastperfect.htm
Mini test: http://www.studyspanish.com/tests/pastperfect.htm
Grammar summary: http://www.studyspanish.com/lessons/pastperfect.htm
Basic quiz: http://www.studyspanish.com/practice/pastperfect.htm
Mini test: http://www.studyspanish.com/tests/pastperfect.htm
Presente perfecto y Pluscuamperfecto:
Presente del Subjuntivo:
- http://www.quia.com/rr/74747.html
- http://www.studyspanish.com/practice/subj2.htm
- http://www.studyspanish.com/tests/subj2.htm
- http://www.studyspanish.com/practice/subj3.htm
- http://www.studyspanish.com/tests/subj3.htm
- http://www.studyspanish.com/practice/subj4.htm
- http://www.studyspanish.com/tests/subj4.htm
- http://www.studyspanish.com/practice/subj7.htm
- http://www.studyspanish.com/tests/subj7.htm
- http://spanish.about.com/library/weekly/aa020700a.htm
- http://www.colby.edu/~bknelson/SLC/subj2_forms.php
- http://www.colby.edu/~bknelson/SLC/subj3_forms.php
- https://conjuguemos.com/activity.php?language=spanish&id=22&source=public&type=verbs
- http://www.spanishnewyork.com/automatic/verb-conjugation.php?parm=5
- http://www.spanishdict.com/topics/practice/76
- https://www.stolaf.edu/people/hansonr/spanish/subjuntivo/
- http://www.spaleon.com/sub_pres.php
- http://www.bowdoin.edu/~eyepes/newgr/subj.htm
- http://www.spanishdict.com/topics/show/69
- https://personal.colby.edu/~bknelson/SLC/subj4_influence.php
Presente perfecto del Subjuntivo:
- http://www.123teachme.com/learn_spanish/present_perfect_subjunctive
- https://quizlet.com/239670/el-presente-perfecto-del-subjuntivo-terminaciones-y-irregulares-flash-cards/
- https://personal.colby.edu/~bknelson/SLC/perfects_ind_subj.php
- http://www.spanishdict.com/topics/practice/102
- https://conjuguemos.com/activity.php?language=spanish&id=25&source=public&type=verbs
- https://www.quia.com/quiz/111061.html
- http://highered.mheducation.com/sites/0072970499/student_view0/cap__237_tulo6/prueba_6_2_b.html
- http://www.123teachme.com/image_sentence_match/category/pres_perf_subj_irr
- http://www.123teachme.com/image_sentence_match/category/pres_perf_subj
- http://123teachme.com/word_order_quiz/category/pres_perf_subj