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 ...

I have been singing all day. She has been reading. Some people have been in government since 1999. The lecturer has been teaching at UNILAG for eight years. He has been sleeping in the other room. The ...

We use the present simple tense for things that we do regularly and for facts, habits, truths and permanent situations. We often use time expressions like every day, once a week, on Fridays.

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 ...