“Theo is a friend of Jane’s.” This phrase is unremarkable to most English speakers. However, on closer inspection, the sentence actually contains a somewhat unusual feature. It contains two possessive markers, the preposition of and the enclitic ’s, which might seem redundant or unnecessary. The double genitive has had English grammarians scratching their heads for centuries. How did it enter the language? What are its functions and uses? This article will answer these questions and shed some light on this peculiar feature of the English language.

Much ink has been spilled on the subject of the construction try and followed by an infinitive. Grammarians have long debated whether it is correct or whether it is to be eschewed in favour of try to. In his 1926 work A Dictionary of Modern English Usage, Henry W. Fowler says, “Try and is an...

Kind, type and sort are three common words in English that denote category membership. They are useful words for our pattern-seeking brains. This article will address some tricky questions about grammatical agreement in type-noun expressions and examine how these expressions have extended their usage to convey a variety of notions. 

English plurals can be puzzling. The plural of goose is geese, but a snake needs to be on the lookout for mongooses. The plural of fish is fish, unless you’re speaking about different species of fish, in which case fishes is also correct.