1. Grammar Girl
Grammar Girl provides short, friendly tips to improve your writing. Covering the grammar rules and word choice guidelines that can confound even the best writers, Grammar Girl makes complex grammar questions simple with memory tricks to help you recall and apply those troublesome grammar rules. Whether English is your first language or second language, Grammar Girl’s punctuation, style, and business tips will make you a better and more successful writer. Mignon Fogarty is the creator and host of Grammar Girl. Grammar Girl is a Quick and Dirty Tips podcast.
2. Dave's ESL Cafe
English learners can learn grammar, idioms, phrasal verbs, pronunciation, and slangs from this website. Also, we can test their ability after we finish. In addition, we can post our questions of grammar on it and other people will answer our questions.
3. Writing Fun
We can learn the organization of different kinds of writing styles.