How and where can we use prepositions give all examples to prepositions and say in which particular time can we use them. if anybody gives the best answer then i'll mark their answer as brainliest.

at, on, in, before and after.

Explanation:

Basic examples of time prepositions include: at, on, in, before and after. They are used to help indicate when something happened, happens or will happen.

For an example to use in a sentence, one could be something like: Meet me at 7:30, or My birthday falls in January.

i believe the answer is b. we