Expressing Obligation

Must and Have to

Explanation

https://www.youtube.com/watch?v=w5vVaWgUcZ0

https://www.youtube.com/watch?v=xjUJ8AQn8qQ

http://www.aulafacil.com/cursos/l22658/idiomas/ingles/ingles-repaso-de-gramatica/must-have-to

Exercises

https://elt.oup.com/student/headway/int/grammar/unit04/hwy_int_unit04_2?cc=gb&selLanguage=en&mode=hub

https://elt.oup.com/student/englishfile/intermediate3/grammar/file04/nef_int_grammar04_b04?cc=gb&selLanguage=en&mode=hub

https://elt.oup.com/student/englishfile/intermediate3/grammar/file04/nef_int_grammar04_b03?cc=gb&selLanguage=en&mode=hub

Healthy Habits

http://www.buzzfeed.com/carolynkylstra/healthy-living-habits#.hdmG8RQaj6

https://www.youtube.com/watch?v=sKkKLduuO1w

https://www.youtube.com/watch?v=XxB7M9aw1HQ

Classwork

Write the 3 strategies to lose weight

http://exercise.about.com/od/healthinjuries/a/healthylifestyl.htm