Understanding verb tenses is a fundamental part of mastering English grammar. Tenses tell us when an action happened – whether it's happening now, happened in the past, or will happen in the future.

A suffix is a letter or group of letters that goes on the end of a word and changes its meaning. Adding the suffix -ing to the end of a noun can change it into a verb. Narrator: I've told you, fur ...

English speakers often use the past simple and past continuous together to say that something happened in the middle of something else. In this episode of The Flatmates, Alice says: '.when I arrived ...