Review on tenses

Have a look at this summary in case you still have doubts on English tenses. In Spanish, for those of you who feel more confident when studying grammar in your mother tongue.
Here you are the link to some online exercises.

How fiction can change reality - Jessica Wise

'Cos stories are so powerful...

Halloween History

Interesting video about one of the most famous English festivals:

Connectors

Here you are some basic information about common linking words.
You can also have a look at these exercises.

To be, be or being; that is the question.
Perhaps, my students  want to review the use of gerunds or infinitives. I think these notes may be useful.
If you need further practice, you could have a look at this page.