ER VERB PRACTICE
https://www.laits.utexas.edu/tex/gr/ver1.html
http://www.quia.com/pa/127582.html?AP_rand=1510082133
http://www.languageguide.org/french/grammar/conjugations/exercises/erverbs.jsp
http://www.proprofs.com/quiz-school/story.php?title=french-er-verbs-present-tense
HOW TO ADD ACCENTS