grammar

If you wish to practise your English grammar, you can click on the link 
below to access a site containing a large number of grammar exercises:
englishpage

Another two sites with a wide range of grammar exercises are:
perfect-english-grammar 
agendaweb


The BBC also offers fantastic resources to learn and practise grammar via its free online courses. In the process you will also practise your reading and listening skills:
C1
B2
B1/B2
B1

To access some of the content of these BBC courses you will either need to enable the Flash Player plug-in in your browser (on a PC), or install the BBC Media Player on your mobile device.