Wait, but the user wants a formula, so maybe present it in a structured way. Like a 5-step daily formula or something. Let's see.
Let me also think about the structure of the PDF. The user might want something they can download and follow. So the text could outline the content that would go into such a PDF. english samsarikkan oru formula free free pdf
But I need to make sure the steps are doable and free. Maybe the formula is: Read a passage, write a summary, practice grammar, learn new words, and speak aloud. Each part can use free resources. Wait, but the user wants a formula, so
I should also mention resources that are free, like online articles, YouTube for listening, free PDFs for grammar, and using Google Docs for writing. Also, maybe include tips on using apps like Quizlet for vocabulary flashcards. Let me also think about the structure of the PDF
Let me outline steps: start with daily reading, then practice writing, followed by speaking, listening, and expanding vocabulary. Each step can have a brief explanation and tips on how to do it for free.
Okay, putting it all together: Start with an introduction about the importance of learning English. Then present the formula as a step-by-step process. Provide practical tips for each step using free resources. Include a sample study plan and resources. End with a conclusion encouraging consistent use of the formula.