1、It is conceivable that + 句子 （可想而知的）

It is obvious that + 句子 （明显的）

It is apparent that + 句子 （显然的）

例句：It is conceivable that knowledge plays an important role in our life.

可想而知，知识在我们的一生中扮演一个重要的角色。

2、That is the reason why ~~~ （那就是……的原因）

例句：Summer is sultry. That is the reason why I don't like it.

夏天很燠热。那就是我不喜欢它的原因。

3、、For the past + 时间，S + 现在完成式……（过去……年来，……一直……）

例句：For the past two years， I have been busy preparing for the examination.

过去两年来，我一直忙着准备考试。