EwR.Pronunciation #English Poster: Contractions, also called Relaxed Pronunciation
How to describe your symptoms! http://www.theenglishstudent.com/1/post/2013/11/describing-symptoms.html
All modal verbs are auxiliary verbs, which means they can only be used with a main verb. Modal verbs cannot be a main verb. They are used to express ideas such as possibility, prediction, speculation, deduction and necessity.