I do not turn on lights in my home unless they are absolutely necessary. While I know the importance of energy conservation, I sometimes waste energy by leaving the T.V. on all day. I try to give my co-workers hints regarding saving energy because I want to help reduce the office utility bill. The number refers to which sentence the conjunction was found in. The function of conjunctions is to connect different parts of sentences.
Correlative conjunctions occur in pairs and also connect equal parts of sentences.