When to use Stranded PREPOSITIONS (placing prepositions at the end of a sentence)

The video tutorial explores the concept of stranded prepositions, which are prepositions left at the end of sentences or questions. It discusses how language has evolved to accept this structure, despite traditional rules against it. The tutorial provides examples of stranded prepositions in WH questions and relative clauses, emphasizing the importance of understanding their correct usage. It also distinguishes between prepositions and particles, offering insights into their roles in language.

How do WH question words lead to stranded prepositions?

What is a formal way to phrase a question that includes a stranded preposition?