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8.  Stative Verbs:  Most stative verbs do not take 'continuous' (-ing) verb forms.

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8.  Stative Verbs:  Most stative verbs do not take 'continuous' (-ing) verb forms.

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http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/stat.htm

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7. Countable / Uncountable nouns (and much more) 

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7. Countable / Uncountable nouns (and much more) 

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http://www.grammar-quizzes.com/agree2a.html

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https://owl.english.purdue.edu/exercises/5/13/34

http://a4esl.org/q/h/vm/svagr.html

http://www.pcc.edu/staff/pdf/645/SubjectVerbAgreement.pdf

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Practice
http://esl.fis.edu/grammar/verbs/5.htm

Crossword puzzle
http://grammar.ccc.commnet.edu/grammar/quizzes/cross/verbs.htm

Spin the Wheel:  Test your knowledge of irregular verb forms
http://www.macmillandictionary.com/verb_wheel/

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4. Adjective (Relative) Clauses:  Practice

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4. Adjective (Relative) Clauses:  Practice

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Introduction
http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/adj.htm

http://www.eslcafe.com/grammar.html

Exercises:

http://eslgrammarpractice.blogspot.ca/2011/10/using-relative-pronouns-and-adjective.html

http://www.grammar-quizzes.com/adjclausequiz.html

http://www.perfect-english-grammar.com/relative-clauses-exercise-1.html

https://www.ego4u.com/en/cram-up/grammar/relative-clauses

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http://speakspeak.com/english-grammar-exercises/intermediate/first-versus-second-conditional

http://wwwedu.ge.ch/cptic/prospective/projets/anglais/exercises/condit1.htm

http://www.perfect-english-grammar.com/first-conditional-exercise-1.html

https://www.ego4u.com/en/cram-up/grammar/conditional-sentences/type-1/exercises?02

http://www.myenglishpages.com/site_php_files/grammar-exercise-conditional-type-1.php

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Basic use:
https://owl.english.purdue.edu/owl/resource/540/01/

http://www.grammarbank.com/articles.html

Exercises:
http://www.englishpage.com/articles/index.htm

http://www.grammarbank.com/a-an-the-worksheets.html

http://www.learnenglishfeelgood.com/esl-english-grammar-exercises.html

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5. Modals of possibility, probability and deduction

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5. Modals of possibility, probability and deduction

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http://www.perfect-english-grammar.com/modal-verbs-of-probability.html

http://speakspeak.com/english-grammar-exercises/intermediate/intermediate-grammar-exercise-modal-verbs-for-present-probability-must-cant-could-may-might

http://www.tinyteflteacher.co.uk/learning-english/grammar/exercises/modal-verbs-deduction.html