Use it when we need to say goodbye We can use words to use with friends. Acquaintances and others which we can apply to correspondence or often heard often in the situation in goodbye.
When we want to say goodbye We can not say that this applies to friends, acquaintances and others which we can apply to written correspondence or hear frequently in situations in saying goodbye.
Used when we want to say goodbye. We can use this word, whether it is used with friends, acquaintances, and others, which can be applied to the correspondence, or often heard frequently in the situation in to say goodbye.