Basics

Do you have trouble remembering when to use some and any? Remind yourself of the rules here and then practise in the exercise.

Just to make life more difficult, some plurals are not formed by adding -s. We tell you what you need to know.

When we want to say that something exists somewhere, we use there is or there are. Learn more about the way these very common expressions are used.

Success will be yours, and the pleasure will be ours, when you're sure you can use words like "his", "hers", "its" and "mine" correctly.

In this exercise, we'll show you when you need reflexive pronouns (myself, yourself, etc.) and when you don't.

Both like and as are used in comparisons; but there are differences, too. Our Basics section shows you when best to use each word.

Prepositions are tricky little words! Find out when to use at, in and on when you talk about time in our latest Basics exercise.

Is it "at the desk", "in the desk" or "on the desk?" In this exercise you'll learn all you need to know about prepositions of place.

There are two basic rules for the use of a/an and the. Find out what they are and get some practise in our Basics exercise.

When we talk about mixed conditionals, we usually mean a combination of the second and third conditionals. Find out more and get some practice in a short exercise.