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、be + forced/compelled/obliged + to + V(不得不……)
例句：Since the examination is around the corner，I am compelled to give up doing sports.
既然考试迫在眉睫，我不得不放弃做运动。
4、Those who ～(……的人……)
例句：Those who violate traffic regulations should be punished.
违反交通规定的人应该受处罚。
5、There is no one but ～(没有人不……)
例句：There is no one but longs to go to college.
没有人不渴望上大学。