And, but and or are the three main coordinating conjunctions. They join two clauses which are grammatically independent of each other and would make sense if they stood alone. Compare the following: ...

In English, small but mighty words like "in," "on," "and," and "because" are essential for making our sentences clear and meaningful. Prepositions tell us the relationship between words, often ...

Supreme Court justices puzzled Monday over whether Congress meant “or” when it passed a law saying “and” in a case that could determine if some federal inmates qualify for a potential reduction in ...