1. The students are having a lecture tonight.
О: Are the students having a lecture tonight?
Р. The students are having a lecture tonight, aren't they?
А. Are the students having a lecture tonight or tomorrow?
А. Are the students having a lecture or exam tonight?
С. What are the students having tonight?
С. When are the students having a lecture?
С. Where are the students having a lecture tonight?
I have just read this book.
О: Have you just read this book?
Р. I have just read this book, aren't I?
А. Have you just read this book or that book?
А. Have you just read this book or this newspaper?
А. Have you just read this book or just looked at it?
С. When have you read this book?
С. Why have you read this book?
С. What have you read in this book?