The provided source material does not contain any information related to free samples, promotional offers, no-cost product trials, brand freebies, or mail-in sample programmes. The material exclusively discusses GCSE English Language revision for AQA Paper 2 Question 4. Consequently, it is not possible to write an article on the requested topic using the provided sources.
Conclusion
The source material is entirely focused on academic revision for a specific examination question and contains no data, facts, or references concerning consumer freebies, sample programmes, or promotional offers. Therefore, no article on the requested subject can be generated from this information.