句子以when开头吗？ [。*。]当然！ 让我用好奇的语气把这个问题表述为一个问题，将字数控制在 300 字左右： “嘿，语言爱好者朋友！我最近一直在思考一些激发我语言好奇心的事情。具体来说，它是关于句子的开头词 - 句子是否以“何时”一词开头？我的意思是，我们” 我们都遇到过以这个好奇的小词开头的句子，在脑海中描绘出生动的时刻，但它真的为一个完整的、独立的句子定下了基调吗？或者它更像是一种过渡工具，具有指导性。 我们是否能够顺利地从一种想法转向另一种想法？我渴望更深入地研究这种语法上的细微差别，并了解“何时”如何以及为何出现在我们的句子的最前面，让我们一起探讨一下， 我们可以？

Certainly! Let me phrase this as a question in a curious tone, keeping the word count to around 300 words: "Hey there, fellow language enthusiast! I've been pondering over something that's been tickling my linguistic curiosity lately. It's about the opening words of sentences, specifically - does a sentence ever begin with the word 'when'? I mean, we've all come across sentences structured in a way that lead with this inquisitive little word, painting vivid mental pictures of moments in time. But does it really set the tone for a complete, standalone sentence? Or is it more of a transitional tool, guiding us smoothly from one thought to another? I'm eager to dive deeper into this grammatical nuance and understand how and why 'when' finds its way to the forefront of our sentences. What are your thoughts on this linguistic query? Let's explore together, shall we?