what is conjunction
Some words are satisfied spending an evening at home, alone, eating ice-cream right out of the box, watching Seinfeld re-runs on TV, or reading a good book. Others aren't happy unless they're out on the town, mixing it up with other words; they're joiners and they just can't help themselves. A conjunction is a joiner, a word that connects (conjoins) parts of a sentence.
Here are some example conjunctions:Coordinating conjunctions Subordinating conjunctions and, but, or, nor, for, yet, so although, because, since, unless