In the sentence, the word "recycling" functions as a gerund, which is a verb form that acts as a noun. It describes the action of processing old tires for reuse, indicating an ongoing activity. This gerund serves as the subject of the sentence, highlighting the purpose of the action—transforming waste materials into a useful product for playground surfacing.
Either can be correct, depending on its use in a sentence: "Mel and I are at the playground" or "She found Mel and me at the playground."
Recycling is very good for the environment.
If you take out the prepositional phrase, the sentence will still make sense. A prepositional phrase contains a preposition, a noun, and usually an article or other adjective. "The little children raced around the playground." If you take out "around the playground", the sentence would still make sense. The word "around" is the preposition and "playground" is the noun that is the object of the preposition. Therefore, "around the playground" is the prepositional phrase in this sentence.
I played in the playground but jack went to the skate park
She was very whimsical when she was playing in the playground.
Building the playground was a communal project.
"found"
The playground is very dirty
The pre-schoolers liked to gambol about on the playground.
It's a preposition. The words "to the playground" make up a prepositional phrase.
In the sentence "The clamor on the playground drew the attention of the principal," the highlighted word "clamor" functions as a noun. It refers to a loud and confused noise, which is the subject of the sentence.
Example sentence: The new equipment has been installed at the children's playground.