1.都怪你,用英语怎么说英文：It's your fault.英语中it的相关用法如下：一、it 作非人称代词的用法1. 基本用法it 作非人称代词的用法，主要用于指时间、距离、价值、天气、气候及温度等自然现象 。
如：It's too late to go there now. 现在去那儿已经太迟了 。It rained all day yesterday. 昨天下了一天的雨 。
It can get very hot here. 这里有时会很热 。2. 用于某些句型It's time for sth. 该做某事了 。
It's time to do sth. 该做某事的时候了 。It's time for sb to do sth. 某人该干某事了 。
It's (about / high) time + that-从句. 某人该做某事了 。（从句谓语用过去式，有时也用“should+动词原形”）It's first (second) time + that-从句. 某人第几次干某事 。
（从句谓语用现在完成时）It's + 时间段 + since-从句. 自从……有一段时间了 。It's + 时间段 + before-从句. 过多长的时间才……二、it用作形式主语1. 基本用法当不定式、动名词、从句等复杂成分用作句子主语时，为保持句子平衡，通常把真正的主语放在句末，而在句首使用形式主语it 。
如：It's very important to remember this. 记住这一点很重要 。It's hard work climbing mountains. 爬山是费劲的事 。
It's unknown when he will come. 他什么时候来还不知道 。2. 用作形式主语的的重要句型（1） It + be + adj. for (of) sb to do sth 某人做某事……It is hard for him to make up his mind. 他很难下定决心 。
It was foolish of her to say such a thing. 她说那样的话，真是太蠢了 。【说明】介词 of 与 for 的区别是：of 用于指某人的性格、属性、特征等，介词for表示对象，意为“对……来说” 。
（2） It takes sb + 时间段 + to do sth. 某人做某事花了……时间It takes years to master a new language. 要花多年的时间才能掌握一门新的语言 。【说明】此句型可以有以下多变种变体：It took me an hour to write the letter. =The letter took me an hour (to write). =I took an hour to write the letter. 我写这封信花了一个小时 。
（3） It is up to sb to do sth. 该由某人做某事It's up to you to to make the choice. 得由你来作选择 。（4） it look (seem, appear, happen, occur) that [as if]… 似乎……It seemed as though he didn't recognize me. 他似乎没认出我来 。
It happened that I was out when he called. 他打电话时我碰巧不在家 。（5） If it were not for… / If it hadn't been for… 若不是因为……If it were not for their help, we couldn't have got over the difficulties. 要不是他们帮助，这些困难我们不克服不了的 。
四、it用作形式宾语1. 基本用法当不定式、动名词、从句等复杂成分用作宾语且其后跟有宾语补足语时，通常会在宾语补足语前使用形式宾语，而将真正的宾语移至句末 。其基本结构为“动词+it+宾语补足语+不定式（动名词或从句）” 。
如：I find it difficult to do the job well. 我发现做好这件事不容易 。I think it best that you should stay here. 我认为你最好住这儿 。
We think it no use complaining. 我们认为抱怨是没有用的 。2. 用作形式宾语的几个特殊结构（1） 动词+ it + that-从句 。
如：I like it that you came. 你来了，我很高兴 。I take it (that) he will come on time. 我认为他会准时来的 。
You can put it that it was arranged before. 你可以说这是以前安排的 。Rumor has it that the defence minister will soon resign. 据传闻，国防部长不久就要辞职 。
【说明】能用于此结构的动词不多，常见的有 have, take, put, like 等 。（2） 动词 + it + when (if)-从句 。
如：I dislike it when you whistle. 我不爱听你吹口哨 。We really appreciate it when she offered to help. 她来帮忙了，我们十分感激 。
I'd prefer it if I didn't have to do so much work. 要是我不必做那么多工作，好就太好了 。【说明】能用于此结构的动词不多，常见的有 enjoy, hate, love, like, dislike, appreciate, prefer 等 。