1.https://www.thoughtco.com/esl-grammar-4133089
2. 
http://www.bbc.co.uk/learningenglish/
3
http://www.world-english.org/
4. 
http://www.eslcafe.com/
5. 
https://www.englishpage.com/
6. 
https://eslactivities.com/
7.
https://writing.wisc.edu/Handbook/Documentation.html
8. 
http://fonetiks.org/
9. 
http://www.englishvocabularyexercises.com/
10. 
http://www.manythings.org/
11. 
https://www.newsinlevels.com/
12. 
https://learnenglish.britishcouncil.org/en
13. 
http://easyworldofenglish.com/default.aspx
14. 
http://a4esl.org/
15. 
http://www.tv411.org/

16.https://eslflow.com/
GRAMMAR
1.
http://web2.uvcs.uvic.ca/elc/studyzone/grammar.htm
2. 
http://www.chompchomp.com/terms.htm
3. 
http://grammar.ccc.commnet.edu/grammar/
4. 
http://www.linguarama.com/ps/grammar.htm
5. 
http://www.better-english.com/exerciselist.html
6. 
http://www.dailygrammar.com/
7.
https://www.wyzant.com/resources/lessons/english/esl
VOCABULARY
1. 
http://esl.fis.edu/vocab/index.htm
2. 
http://www.vocaboly.com/vocabulary-test/
3. 
https://www.englishclub.com/vocabulary/
4.
https://www.englishpage.com/vocabulary/vocabulary.html
5. 
https://www.vocabulary.co.il/
6.
http://www.linguarama.com/ps/cross-culture-themed-english/learning-new-business-vocabulary.htm
7.
http://www.wordfocus.com/vocabulary-resources.html
8. 
http://www.eslnotes.com/
9. 
https://www.memrise.com
10. 
https://www.internetpolyglot.com/
11. 
http://www.languageguide.org/english/
12. 
https://fraze.it/
13. http://freerice.com
SPEAKING
1. 
http://iteslj.org/questions/
2. 
https://basicenglishspeaking.com/daily-english-conversation-topics/

3.http://www.focusenglish.com/dialogues/conversation.html
4.
http://www.ompersonal.com.ar/omaudio/contenidotematico.htm
READING
1. 
https://breakingnewsenglish.com/
2. 
https://www.englishclub.com/reading/
3.
https://www.edhelper.com/ReadingComprehension.htm
4. 
http://www.onlinenewspapers.com/
5. 
http://www.rhlschool.com/reading.htm
6. 
http://www.wisegeek.com/
7. 
https://www.thoughtco.com/
8. 
http://ted4esl.com/
9. 
http://www.cdlponline.org/
WRITING
1. 
https://owl.english.purdue.edu/owl/
2. 
https://www.powa.org/
3. 
http://eslcafe.com/search/Writing/
4. 
https://ludwig.guru/
5. 
https://writerswrite.co.za/
LISTENING
1. 
https://learningenglish.voanews.com/ 
2. 
http://www.esl-lab.com/ 
3. 
http://www.elllo.org/ 
4. 
http://www.bbc.co.uk/learningenglish/ 
5. 
https://www.brainpop.com/ 
6. 
http://focusenglish.com/ 
7.
http://www.ompersonal.com.ar/omaudio/contenidotematico.htm 
8. 
http://literacynet.org/cnnsf/home.html
9. 
https://www.npr.org/
10. 
https://www.real-english.com/
11. 
https://www.englishlistening.com/
12. 
https://learningenglish.voanews.com/
13. 
https://lyricstraining.com/

PRONUNCIATION
1. 
http://evaeaston.com/pronunciation/
2. 
http://eslcafe.com/search/Pronunciation/
3. 
https://www.soundsofenglish.org/