3.
In which sentence is the word climbing a gerund?

The explorers were climbing up the steeply sloping mountain.

Mr. Herrera planted climbing ivy on the side of his house.

The children enjoyed climbing on the playground equipment.

Relax

Respuesta :

Answer: I think first and second one is correct.

Explanation:  it can act as subject or object of a verb,  or can take a plural ending.