the difference between "a" and "an" is that "an" goes in front of adjectives or nouns that have a vowel sound at the beginning of the word Read more...
Excited or exciting? What is the difference between -ed and -ing?
cause and effect. adjective + ing is the cause, adjective + ed is the effect on us Read more...
Grammar blog
Our experienced team of experts offer a free online grammar service for your doubts about the English language Read more...