In general, to form plurals in English, you add either -s or -es (and sometimes change a y to an i). But there are a number of words – including some you use every day – that don’t follow this rule.

Here's a rule about singular and plural forms that is useful to know when talking about different types of fish. Let's find out more below! There are two plural forms for the word 'fish': 'fish' and ...

Test your knowledge of English plural forms! Can you identify the correct plural for words like cactus, mouse, and tooth?

Algae thrives in sunlight. Or is it algae thrive? These are the questions that can broadside a copy editor years, even decades, into her career. When it comes to English, there’s never a point where ...

Although English-language verbs generally don’t inflect or change in form to agree with the subject in number, they do so in the present tense, third-person singular. In English grammar, in this ...

One morning earlier this week I was able to spend about 10 minutes with a university professor who teaches English composition to freshmen students. It wasn't lost on me that I haven't listened to an ...