如果if是做“如果”解释，则整个句子是状语从句，而需要有it。 原文里的if明显是“如果”之意，所以必须得有it。 这里有一个it的特殊用法。 I would really appreciate it if you would answer this question. 如果你能回答这个问题我会非常感激的。 前面很多答主提到了，appreciate表示“感激”时是一个及物动词，后面需要宾语。 你可以说 I would really appreciate your answer to this question. 这里名词短语your answer to this question做appreciate的宾语。 但是在我们之前的例句 …

2020年8月20日 · if 中文意思 是「假如、如果」的意思， If 用法 有四個條件語句 的不同 假設語氣 、用法！ If 的四種假設語氣用法包括零條件句、第一，第二，第三條件句！ 《mmmEnglish》講師 Emma 在 Youtube 上面介紹英語中所有四個條件語句的基本結構、用法和含義，一起來學習吧！ 在 [if 子句], [導致 子句] 的條件下，英文會有 四種條件句類型的 If 用法： 下面分別教學 IF 的四種假設語氣跟用法。 用於談論習慣、事實、真相，無法爭辯的事實。 也就是談論一件無論過去、 …

There are different types of conditions. Some are possible or likely, others are unlikely, and others are impossible: If the weather improves, we’ll go for a walk. (It is possible or likely that the …

2023年4月7日 · 是一种英语中的条件状语从句句型，用于礼貌地表达请求、建议或期望，并暗示如果对方能满足这个条件，将会受到感激。 形式主语 “It”：在这个句型中，“it”不指代任何具体的事物，而是作为形式主语存在，它的作用是使句子结构更加平衡和流畅。 真正的主语是后面的“if”引导的条件状语从句。 谓语 “would be appreciated”：这是句子的谓语部分，采用了将来时的情态动词“would”和被动语态“be appreciated”，表示“将会受到感激”。 这种表达方式使语气显得委婉而 …

2015年12月23日 · 能用于这个句式的动词也不多，常见的有 enjoy, like, dislike, love, hate, prefer, appreciate等。 She enjoyed it when he kissed her. 她很喜欢他吻她。 We enjoy it if you can go with us. 你若能同我们一起去，那我们就高兴了。 I don’t like it when she tells me how to do things. 我不喜欢她对我做事指手划脚。 She won’t like it if you arrive late. 她不喜欢人迟到。 I dislike it when you whistle. 我不爱听你吹口哨。

In your specific case, neither 'was' nor 'were' is best; you should say "if it is running". "If it were running" is subjunctive case, used to describe hypothetical situations: "If it were running, I would stop it first, but it's already stopped."

Conditionals describe the result of a certain condition. The if clause tells you the condition (If you study hard) and the main clause tells you the result (you will pass your exams). The order of the clauses does not change the meaning. If you study hard, you will pass your exams. You will pass your exams if you study hard.

Conditional sentences are sometimes confusing for learners of English as a second language. Which type of conditional sentences is it? Where is the if-clause (e.g. at the beginning or at the …

We often use if to introduce possible or impossible situations or conditions and their results. The situations or conditions can be real, imagined or uncertain: I usually make a sandwich to take …

A conditional sentence has two clauses: Main clause and if clause. if she has time. If the weather is nice, we usually eat in the yard. (present) (The weather might be nice or not, it's an open …