Lots of good tips in this updated blog post on UsingEnglish.com. Suggestions include:
- Read the lyrics to a song while you sing it
- Read a book about a story you already know
- Keep a diary in English, writing about your daily life
- Change the language on your phone/computer to English
- Have an English radio station on in the background while you work in your house
and 65 more. The main idea: Find as many ways as possible to add English into your normal day.