Imagine a world without vowels. We wouldn’t be able to speak or sing. We would be able to make various sounds — mmff! grr! hmm! — but not actually speak.
You only have to move your lips to pronounce letters like b,m,p,v and press your tongue against your teeth or some part inside your mouth to pronounce other consonants such as c,d,g,j,k,l,n,r,s,t,x,z.
To pronounce a vowel, you have to open your mouth and allow air to flow through it, as the Collins Cobuild Advanced Learner’s English Dictionary points out. [Read more…]