More Grammar Links...
Part 2 + 3 + 4: Identifying word classes.
http://www.phon.ucl.ac.uk/home/dick/tta/wc/wcall.htm
http://www.cybergrammar.co.uk/index.php
http://people.uleth.ca/~daniel.odonnell/Tutorials/grammar-essentials-2-parts-of-speech-word-classes
Part 5: Recognizing Active and Passive forms of the verb
http://www.eflnet.com/tutorials/passivevoice.php
Part 6: Identifying the tense forms of verbs.
http://www.csu.edu.au/division/studserv/ess/skills/tense.htm
http://www.englishpage.com/verbpage/verbtenseintro.html
http://www.englishclub.com/grammar/verb-tenses.htm
For Subject-verb agreement see
http://www.csu.edu.au/division/studserv/ess/skills/subject_verb.htm
http://www.phon.ucl.ac.uk/home/dick/tta/wc/wcall.htm
http://www.cybergrammar.co.uk/index.php
http://people.uleth.ca/~daniel.odonnell/Tutorials/grammar-essentials-2-parts-of-speech-word-classes
Part 5: Recognizing Active and Passive forms of the verb
http://www.eflnet.com/tutorials/passivevoice.php
Part 6: Identifying the tense forms of verbs.
http://www.csu.edu.au/division/studserv/ess/skills/tense.htm
http://www.englishpage.com/verbpage/verbtenseintro.html
http://www.englishclub.com/grammar/verb-tenses.htm
For Subject-verb agreement see
http://www.csu.edu.au/division/studserv/ess/skills/subject_verb.htm