Present Simple - online exercises

http://www.esl-lounge.com/student/grammar/1g4-present-simple-positive-to-negative.php

http://baladre.info/english/sedaviwebfront/presimpneg.htm

http://www.grammar.cl/Games/Dont_Doesnt.htm

https://agendaweb.org/exercises/verbs/present-negative

https://agendaweb.org/verbs/present-simple-negative.html


Basta clicarem no link e resolverem os exercícios! Dúvidas serão esclarecidas na aula! Bom trabalho :)