Respuesta :
The prepositional phrases used as adverbs over here are 'ON SATURDAY'.
Why is this considered as a prepositional phrases?
- The reason why it is considered as prepositional phrase is due to its direct link to time and action.
Why are Prepositional phrases used as adverbs?
- An adverb prepositional phrase modifies a verb, adjective, or adverb.
- It usually tells when, where, how, why, or to what extent (how many, how much, how long, or how far),
- and under what condition.
For more further information on prepositional phrases:
https://brainly.com/question/10707375
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