1)   LANGUAGE WORK

-         General tools

Internet Grammar of English. Addressed to university undergraduates. This grammar has exercises and a glossary for grammatical terms.

http://www.ucl.ac.uk/internet-grammar/

Edufind's Online English Grammar. An alphabetically ordered search engine. Choose your grammar topic.

http://www.edufind.com/english/grammar/toc.cfm

Internet Grammar Resource. A set of English Grammar resources, from handbooks to usage tips. It includes a grammar discussion section on 400 topics.

http://www.rong-chang.com  Click on Grammar

-         Using these tools

Verb tenses

1. ALL VERB TENSES

All you need to practice and learn verb tenses, exercises, quizzes and even games. Choose the best option for you.

http://lc.byuh.edu/CNN_N/CNN-N.html

http://www.iei.uiuc.edu/structure/structure1/tenses.html

http://www.iei.uiuc.edu/structure/structure1/mini_quiz1A.html

http://www.englishpage.com/verbpage/verbtenseintro.html

2. A LIST OF IRREGULAR VERBS

Here you have a quite complete list of irregular verbs. Check it when you have a doubt.

http://www.englishpage.com/irregularverbs/irregularverbs.html

Passive:

http://lc.byuh.edu/CNN_N/CNN-N.html (active vs passive)

http://owl.english.purdue.edu/handouts/grammar/g_actpass.html

http://www.iei.uiuc.edu/structure/structure1/passive.html

http://www.iei.uiuc.edu/web.pages/GrammarSafari/passive.html

Conditionals

http://lc.byuh.edu/CNN_N/CNN-N.html

http://www.iei.uiuc.edu/structure/structure1/condition.html

http://english-zone.com/grammar/1conditional.html

Modal verbs

http://lc.byuh.edu/CNN_N/CNN-N.html

http://www.iei.uiuc.edu/structure/structure1/modals.html

http://www.iei.uiuc.edu/web.pages/grammarsafari/modals.html

http://www.iei.uiuc.edu/structure/structure1/simpsonscloze_102.html

http://www.iei.uiuc.edu/structure/structure1/modal_cartoons.html

http://www.iei.uiuc.edu/structure/structure1/friendscloze_103.html