Identify the sentence in which the underlined clause is a noun clause that functions as the object of a preposition.
These experts say that the best time to begin a dog’s training is when the dog is still a puppy.
These experts say that the best time to begin a dog’s training is when the dog is still a puppy.
Whoever trains a dog should have experience.
Veteran trainers offer a great deal of love and discipline to whatever dogs they train.
