Cap@KSBG

The NEF website: http://www.oup.com/elt/global/products/englishfile/preint/a_grammar/

Present Simple and Present Continuous (Unit 1)
http://a4esl.org/q/h/lb/psnv.html
http://a4esl.org/q/h/lb/psv.html
http://www.englishpage.com/verbpage/verbs1.htm
http://www.englishpage.com/verbpage/verbs2.htm
http://www.englisch-hilfen.de/uebungen/zeiten/signalwoerter_present_progressive.htm
http://www.englisch-hilfen.de/uebungen/zeiten/simple_present_progressive.htm
http://www.englisch-hilfen.de/uebungen/zeiten/simple_present_s2.htm

Questions and question words
http://www.englisch-hilfen.de/uebungen/fragen/simple_present2.htm
http://www.englisch-hilfen.de/uebungen/fragen/bilden2.htm

Prepositions:
http://www.englishpage.com/prepositions/prepositions.html

Past Simple and Past Continuous (Unit 2)
http://www.englishpage.com/verbpage/verbs3.htm
http://www.englishpage.com/verbpage/verbs3.htm
http://www.englishpage.com/verbpage/pastcontinuous.html

Irregular verbs
http://www.english-4u.de/irregular_verbs.htm

Countable, Uncountable, some, any etc. (Unit 8)
http://www.oup.com/elt/global/products/headway/elementary/a_grammar/unit05/hwy_elem_unit05_2/
http://www.oup.com/elt/global/products/headway/elementary/a_grammar/unit09/hwy_elem_unit09_3/
http://www.oup.com/elt/global/products/headway/elementary/a_grammar/unit09/hwy_elem_unit09_2/
http://www.oup.com/elt/global/products/headway/elementary/a_grammar/unit09/hwy_elem_unit09_1/
http://a4esl.org/q/f/y/zz95mck.htm

The Future (Unit 3)
http://www.englishpage.com/verbpage/simplefuture.html
http://www.englishpage.com/verbpage/presentcontinuous.html
http://www.englishpage.com/verbpage/verbs18.htm
http://www.englishpage.com/verbpage/verbs19.htm
http://www.englishpage.com/verbpage/verbs20.htm