在英语语法中，绝对语气是指强调某个情况或事实的一种语气。它通常不受条件限制，用于强调某个事实的绝对性和不可逆性。下面是英语语法中常见的绝对语气结构形式：
It is + 形容词 + that… 例如：It is essential that you arrive on time.
There + be + 名词 + that… 例如：There is no doubt that he is the best candidate for the job.
It + 动词 + that… 例如：It matters little whether you choose option A or B.
It + should + 动词 + that… 例如：It should be noted that the deadline for submission is next Friday.
It + 过去分词 + that… 例如：It is known to everyone that he is a talented musician.
There + 动词 + 名词 + that… 例如：There remains no doubt that she is innocent.
以上是英语语法中常见的绝对语气结构形式，使用绝对语气可以更加强调某些事实或情况的重要性，让语言更加生动、有力，同时也需要谨慎使用，以免过度强调或误导读者。
