Exercises:

Numbers

http://www2.arnes.si/~oskplucija4/ces/numbers2.htm

Houses:

http://www.eflnet.com/vocab/dictionary/furniture_quiz3.php

colors:

http://www.englishmaven.org/HP6/Beginning%20Crossword%20Puzzle%20-%20Colors.htm

present simple

negattive

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

http://www.english-room.com/negative_5.htm

http://www.perfect-english-grammar.com/present-simple-exercise-4.html

affirmative:

http://testy.mzs-vb.cz/spustit-test.php?id=380

http://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/pres1.htm

negative:

http://www.english-room.com/dodoes_5.htm

http://www.montsemorales.com/gramatica/PresSimpQues1Spt.htm

http://www.ang.pl/cwiczenia/872

Finally