Some tips to help you remember what you are studying
1. Enjoy the learning process. Read what you like; Listen to what you enjoy; Watch films you find interesting We remember better when language we encounter is meaningful. The more relevant is what we study the more we remember.
2. Spidergrams What comes to mind when you think of the word DARK
3. Break it down
4. Look at word formation: prefixes and suffixes
5. Synonyms and antonyms
How long does it take??
It's all up to you .. It's a long journey and you need to be prepared to practice every day or at least as often as possible .