Let´s practise some grammar!

Just click...

1   http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%206.htm

2  http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%201.htm

3  http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%202.htm

4  http://www.englishmaven.org/HP6/Present%20Tense%20Exercise%203.htm