MODAL VERBS

Explanation

http://www.powershow.com/view/16bd7f-ODI1M/English_Modal_Verbs_powerpoint_ppt_presentation

http://eslprezi.com/modals-semi-modals-of-obligation/

https://learnenglish.britishcouncil.org/en/english-grammar/verbs/modal-verbs

Practice

http://www.learnamericanenglishonline.com/Yellow%20Level/Y10%20Modal%20Verbs.html

http://www.ego4u.com/en/cram-up/grammar/modal-verbs

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/330-modals-ability1.htm

https://learnenglishteens.britishcouncil.org/grammar/intermediate-grammar/modals-deduction

http://www.autoenglish.org/modalverbs.htm

Modal perfect

https://www.english-at-home.com/lessons/grammar-exercise-past-modals/

https://www.perfect-english-grammar.com/could-have-should-have-would-have-exercise-1.html

https://www.englishexercises.org/makeagame/viewgame.asp?id=13008

Games

https://jeopardylabs.com/play/modal-verbs-50

https://jeopardylabs.com/play/modal-verbs2

DEDUCTION (pictures)

http://eslresources-euge.blogspot.com.es/2011/04/pictures-to-work-on-modal-verbs-of.html

http://www.esl-lounge.com/level3/lev3modalsdeduction.php

Controversial topics

http://esl.learnhub.com/lesson/7077-essay-writting-topics

http://www.eslflow.com/Controversial-topics-worksheet.html

http://learnenglishteens.britishcouncil.org/skills/writing-skills-practice/opinion-essay

Hackers vs Crackers

http://www.pctools.com/security-news/crackers-and-hackers/

SOCIAL ISSUE:

http://www.breakingnewsenglish.com/1311/131106-women-engineers.html#Top