"Is there"是一个非常常用的英语疑问句结构，用于询问某物或某事的存不存在。以下是一些使用"Is there"的例句：

Is there a bike？

Is there a pen？

Is there any food in the fridge？

Is there anything you can do to help？

Is there a place on the form to put your address？

Is there a problem？

Is there enough room for me in the car？

Is there a forest in the park？

Is there a book on the table？

Is there a park？

这些例句展示了"Is there"在不同情境下的应用，既有简单的存在性询问，也有更复杂的询问，包括询问地点、是否有帮助、是否有空间等。希望这些例句能帮助你更好地理解和使用"Is there"这个结构。