PRESENT SIMPLE NEGATIVE

Tenta fazer estes exercícios no PRESENT SIMPLE.


http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/presnq1.htm

http://a4esl.org/q/h/lb/psnv.html

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/presnq.htm

http://www.isabelperez.com/pr-simple-neg.htm