There are some verbs that we don’t usually use in the continuous form. They are often verbs linked to the senses and thinking, for example: hear, see, smell, hate, know, understand, believe, want, ...

Tense is a very important aspect of English grammar. It is central to an inspiring handling of the language. I hope you will agree with me that the errors that cause the worst embarrassment are among ...

Whether teaching or learning the present perfect, it is often useful to present the two verb aspects in a contrastive way. Compare the following: 'Dick Francis has been writing novels since 1957. In ...