Here are some resources you can use to study English yourself and reinforce what you are doing in lessons:

 

Quizlet

Make flashcards to practise vocabulary for free.

https://quizlet.com

 

Lyrics Training

Learn English through music.

https://lyricstraining.com/

 

BBC Learning English

Free podcasts.

http://www.bbc.co.uk/learningenglish/

 

British Council

Resources such as quizzes and online worksheets.

http://esol.britishcouncil.org/

 

Wordreference

A useful app for translating words with example sentences.

http://www.wordreference.com/