以下是一些考研英语万能句子，供您参考：

It is well-known that... 众所周知，…

Forever, I believe that... 我永远相信，…

It is necessary to point out that... 有必要指出的是，…

As far as I am concerned, I believe that... 就我而言，我相信，…

In my opinion, it is essential to... 在我看来，有必要…

I am firmly convinced that... 我坚信，…