Practice your knowledges 7th Grade

Here you have some activities based on the Countable and Uncountable Nouns to practice, so go ahead.

http://www.myenglishpages.com/site_php_files/grammar-exercise-countable-uncountable-nouns.php

http://www.englishexercises.org/makeagame/viewgame.asp?id=3246

http://www.better-english.com/grammar/few.htm

http://www.better-english.com/vocabulary/quant.htm

Practice your knowledges 8th Grade

Here you can practice all you know, by choosing the exercise you want to do, so go ahead.

http://www.better-english.com/grammar/cancould.htm

http://www.english-zone.com/verbs/can-cant.html

http://www.esl-classroom.com/grammar/modals2.html

http://www.better-english.com/grammar.htm

Practice your knowledges 6th Grade

Here you can some exercises on the Modal Auxiliary CAN, MAY and MIGHT, so go ahead.

http://www.englishgrammarsecrets.com/can/menu.php

http://www.englishgrammarsecrets.com/maymight/menu.php

http://www.englishgrammarsecrets.com/should/menu.php