Over-grazing is one of the most significant factor in environmental land degradation.
I know what you’re thinking – one means singular. Well, true, but that’s ‘over-grazing’ – even though it’s uncountable, the subject ‘over-grazing’ is a single thing. In this structure, one of + superlative adjective is telling us about ‘factors’, not about ‘over-grazing’. (more…)
Before we get into the grammatical meaning of articles, I would just like to point out that in British English ‘smart‘ is more commonly used to mean ‘elegantly dressed‘. In American English it usually means ‘intelligent‘, hence the term ‘smartphone‘, although a lot of smartphones these days also look ‘smart‘! (more…)