Sentences with prepositions at the end (preposition stranding)Online version Lean how to use prepositions in sentences. by DAVID FERNANDO JIMENEZ GUEVARA 1 Choose the incorrect option a Where are you from? b From where are you? c Where from are you? 2 Choose the incorrect option a Who are you speaking to? b To whom are you speaking? c To who are you speaking? 3 Choose the incorrect option. a To whom did you give the book? b Who did you give the book to? c Whom did you give the book to? 4 Choose the incorrect options. Choose one or more answers a Who did you go out with? b With whom did you go out? c Whom did you go out with? d With who did you go out? 5 Choose the correct option. a What about is this book? b About what is this book? c What is about this book? d What this book about? Feedback 2 Whom is used as the object of a verb or preposition. 3 Whom is used as the object of a verb or preposition. Who is used as the subject of a sentence or clause.