These words are prepositions. They do not have singular/plural forms. They are words that tell us where or when something is. Ex: The cup is ON the table. The car is parked DOWN the road. There are a few types of prepositions that can tell us things about the subject: Prepositions of manner: by, via Prepositions of amount: about, over Prepositions of time: before, after, during Prepositions of direction: towards, throughout, into Prepositions of place: around, over, behind, in front Prepositions of cause: because, despite, in spite of

"The events were all over the news?" Assuming the sentence is: "The events were all over the news." The sentence is telling us that the event, or thing that happened, was shown all over the news, meaning that many different news channels covered the event.