Why is used here as an interjection. According to merriam-webster: · 8 1) please tell me why is it like that. But you never know. You never know, which is why. · in the sentence why is this here?, is why an adverb? Grammarians often use the terms restrictive and non-restrictive when it comes to relative clauses. —used to express mild surprise, hesitation, approval, disapproval, or impatience in my experience, the extra why in why, thank you is used mainly to avoid appearing too abrupt in ones thankfulness. There is a subtle but important difference between the use of that and which in a sentence, and it has to do primarily with relevance. Why is [etc. ] is a question form in english: Why is it [or some thing] like that? And goes on to explain: What part of speech is why? i think it modifies the verb is, so i think it is an adverb. Why is it like that? Today why is used as a question word to ask the reason or purpose of something. [grammatically incorrect unless the punctuation is changed. This use might be explained from a formula such as how does it come that. . Why is the sky blue? This why in the. If you meet an old friend of yours, whom you never expected to meet in town, you can express your surprise by saying: · why can be compared to an old latin form qui, an ablative form, meaning how. Why is it that children require so much attention?

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