What is the correct sentence structure for in the suburbs monday to friday of the city the bus. only runs.

In the suburbs, the city bus only runs Monday to Friday.

Explanation:

In the suburbs , : this  prepositionsl phrase indicates place. It can start the sentence followed by a comma.

the city bus: this is the subject. It is a noun phrase.

only runs Monday to Friday: this  is the predicate. This has the verb phrase plus an adverb of frequency.

type of error:

the error in the sentence is a "dangling modifier". a dangling modifier is a phrase, word or clause that "dangles" because there is not target to modify. in this case, "after mopping the floor" is the dangling modifier since it has no word to modify. the noun "house" cannot mop the floor; therefore there is a mistake in the writing of the sentence.