They didn't word it that--they put it in the present tense: home prices double every ten years.

他们不是这样写的...他们用的是现在时,房价每十年就会翻一番

耶鲁公开课 - 金融市场课程节选

So can be changed slightly, depending on tense, past, present or future as well as whether or not you want to ask a question.

因此这个句型要根据不同的时态，如过去时、现在时和将来时，作出一点调整；另外也会根据是否是问句而略有不同。

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I'm interested in the temporal clause "and now."

我对这里用的现在时“此刻“很感兴趣“

耶鲁公开课 - 弥尔顿课程节选

Also, current singular versus plural with nouns and verbs.

然后是名词和一般现在时动词的单复数。

韩国人经常犯的失误 - SpeakingMax英语口语达人