How to improve writing

I did a survey about which skills in English is the most difficult one? 90% of the answers were writing. They told me they don’t have any idea how to start and how to continue writing for 5 paragraphs .In my idea , writing needs practice and as you know practice makes you perfect but meanwhile you also need to increase the number of vocabularies ,knowing synonyms and antonyms helps you a lot in writing . Also you need to work on grammar. Using complex sentences makes your writing wise. Here are some tips that help you to improve your writing. I hope they would be practical!

https://englishlive.ef.com/blog/language-lab/5-simple-ways-improve-written-english/