Here is a collection of some other useful websites for learning English.
https://www.talkenglish.com/http://learnenglishfeelgood.com/
https://www.perfect-english-grammar.com/
https://grammarbook.com/
https://www.gingersoftware.com/content/grammar-rules/
https://www.englishliteracysite.com/
https://www.englishwithjennifer.com/
Matthew's EAL English 