Present Simple and To Be

1. http://a4esl.org/q/j/kf/mc-svae.html

Verb To Be

1.http://www.geocities.com/pccprep/mixbe.htm
2.http://www.geocities.com/pccprep/basic_be_fill.htm
3.http://www.geocities.com/pccprep/basic_be.htm

Present Simple

1.http://www.geocities.com/pccprep/simp_pr_ques.htm
2.http://www.englisch-hilfen.de/en/exercises/questions/simple_present.htm
3.http://www.geocities.com/pccprep/simpneg.htm
4.http://www.geocities.com/pccprep/sesnos.htm