How [STRIKE]to[/STRIKE] can I improve my grammar skills?
Welcome to the forum. :hi:
Note my corrections to your question above. We don't start questions with "How to". Also, I have changed your thread title so that it includes the entire sentence.
There is no simple answer to your question. I have moved your post to the General Language Discussions, where you will get more responses once we know more about your current level and method of study.