ENGLISH LANGUAGE
DICTIONARIES ONLINE:
Macmillan dictionary
http://www.macmillandictionary.com/
Cambridge Dictionary
http://dictionary.cambridge.org/es/
Word Reference Dictionary
http://www.wordreference.com/es/
GRAMMAR, VOCABULARY AND USE OF ENGLISH:
Perfect English Grammar
http://www.perfect-english-grammar.com/
British Council: Learning English Teens
http://learnenglishteens.britishcouncil.org/
BBC Learning English
http://www.bbc.co.uk/learningenglish/
Ego4u
https://www.ego4u.com/
All Things Grammar
http://www.allthingsgrammar.com/
Isabel Pérez
http://www.isabelperez.com/
Basic Grammar
Lyrics Training
https://es.lyricstraining.com/
Practise English through songs
News in levels
https://www.newsinlevels.com/
Practise with the news in three different levels of difficulty
Voices of America
https://learningenglish.voanews.com/
American English