Don´t or Doesn´t

Train yourself to use don´t or doesn´t. '

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

2. http://www.englisch-hilfen.de/en/exercises/tenses/simple_present_negation2.htm

3. http://www.web-esl.com/dodoes/dodoes1.htm

Train with didn´t as well - dåtid. 

1. http://a4esl.org/q/h/lb/dontdoesnt.html

Print and train yourself. Here are both questions  and answers so you can check yourself.  

1. http://www.sinclair.edu/centers/tlc/pub/handouts_worksheets/grammar_punctuation_writing/dont_and_doesnt.pdf

Här kan du titta på en inspelad genomgång av do/don´t - does/doesn´t - did/didn´t 

http://www.youtube.com/watch?v=F7I998uq_p8

http://www.engvid.com/english-grammar-do-does-did-dont-doesnt-didnt/