UNIT 13 - 2012

PAST MODALS FOR DEGREES OF CERTAINTY: 

GRAMMAR:
http://elprofeonofre.com/documents/NI_M1%20Past%20Modals%20For%20Degrees%20Of%20Certainty.pdf

http://www.portallanguageservices.com/grammar/modals-and-modal-verbs/modals-for-degrees-of-certainty-in-the-past

http://www.ompersonal.com.ar/ADVANCED/unit12/page3.htm

WATCH: http://www.youtube.com/watch?v=sN-wdWDcYWg
http://www.youtube.com/watch?v=TteUSZoDW7Q&feature=related

PAST MODALS FOR OPINION AND ADVICE:

GRAMMAR: http://elprofeonofre.com/documents/NI_M2%20Past%20Modals%20For%20Opinions%20&%20Advice.pdf

http://www.ompersonal.com.ar/ADVANCED/unit12/page6.htm

WATCH: http://www.youtube.com/watch?v=-k_TQZLvzrQ