Choose the correct sentence:

If would have realized the danger in this wor, I would not have asked you the undertake it

If should have realized the danger in this work, I would not have asked you the undertake it

If I had realized the danger in this work, I would not have asked you to undertake it

When I realized the danger in this work, I would nothave asked you to do it

When I realized the danger in this work, I would nothave aske you do it