Does the work guide? The work doesn't guide.
Do they visit the Tower every day? They don't visit the Tower every day.
How many ravens live in the tower? Do ravens live in the tower? Ravens don't live in the tower.
Are the guards only men? The guards are not only men.
Это вопросы и отрицательные предложения к утвердительным предложениям.
A trip to London. King Henry VIII. Guarding the Grown Jewels. -- не предложения, а словосочетания, поэтому ни вопросов ни отрицаний к ним поставить нельзя.