Identify the preposition in the following sentence:

All fires that the tribe needed probably were started by these coals.

Identify the preposition in the following sentence:

The attendant probably stayed near the fire and kept it going.

Identify the object of the preposition in the following sentence:

Humans first learned how to make their own fire during the Stone Age.

Identify the object of the preposition in the following sentence:

Janice and Carla spent the day at the mall.

Identify the object of the preposition in the following sentence:

The children were charmed by the magician's tricks.

Identify the object of the preposition in the following sentence:

We visited the Royal Ontario Museum in Canada.

Identify the object of the preposition in the following sentence:

Who is the inventor of the printing press?

Identify the object of the preposition in the following sentence:

Our small boat bobbed in the waves.

Identify the object of the preposition in the following sentence:

We found acorns beneath the tree.

Identify the object of the preposition in the following sentence:

A pine tree fell across the brook.

Identify the object of the preposition in the following sentence:

We borrowed the lawn mower from Ken.

Identify the object of the preposition in the following sentence:

Hannah placed the present on the chair.

Identify the object of the preposition in the following sentence:

Megan hurried down the stairs.

Identify the object of the preposition in the following sentence:

Place the book upon the shelf.

Identify the object of the preposition in the following sentence:

The ground was covered with a deep snow.

Identify the object of the preposition in the following sentence:

My dad was living in Japan, now he's back.