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/ 17. https://www.limasollunaci.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/