I am doing x I do



explanation + exercises:

videos:

exercises:

http://www.englishlearner.com/tests/present_simple_continuous_quiz_1.shtml
http://www.eclecticenglish.com/grammar/PresentContinuous1I.html
http://www.englishpage.com/verbpage/verbs1.htm
http://a4esl.org/q/h/vm/sp_or_pc.html
http://www.ego4u.com/en/cram-up/tests/simple-present-1
http://www.myenglishpages.com/site_php_files/grammar-exercise-simple-present.php#.UlwdLxA9Dzw
http://www.englishpage.com/verbpage/simplepresent.html
http://www.perfect-english-grammar.com/simple-present-exercises.html
http://www.englisch-hilfen.de/en/exercises_list/zeitformen.htm
http://www.isabelperez.com/happy/tenses/present_simple.htm
http://www.perfect-english-grammar.com/present-continuous-exercise-6.html
http://www.ego4u.com/en/cram-up/grammar/present-progressive/form/exercises?form02
http://www.englishpage.com/verbpage/presentcontinuous.html
http://www.eclecticenglish.com/grammar/PresentContinuous1F.html
http://www.isabelperez.com/happy/tenses/present_cont.htm
http://www.agendaweb.org/verbs/present_continuous-exercises.html


pro ty, co opravdu chtějí procvičovat hodně (můžete přinést k opravení a vysvětlení chyb): http://centros.edu.aytolacoruna.es/maristas/PRESENT%20SIMPLE%20vs%20PRESENT%20CONTINUOUS2%BA.doc

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