CLASSES OF WORDS WITH THE SAME FORM AS PREPOSITIONS
Prepositions and conjunctions
Some of the one-word prepositions can also function as conjunctions. The most common include after, as, before, given, since, until. The participial prepositions such as considering can also function as conjunctions. When these words are followed by a noun they function as prepositions: when they are followed by a clause they function as conjunctions
(prep) After the rain, the sun came out.
(conj) After it stopped raining, we fetched our bicycles and took to the road.
(prep) Since our meeting last September I haven’t heard from him.
(conj) Since we met last September I haven’t heard from him.
(prep) Considering his age, he did very well.
(conj) Considering how young he is, he did very well.
(prep) Given the rise in cyberbullying, parents must take precautions to address the problem.
(conj) Given that cyberbullying is increasing, parents should set up filters on phones and computers.
