措施来解决交通问题的时候了。
十六、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。
十七、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。
十八、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。
十九、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。
二十、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. 夏天很炎热。那就是我不喜欢它的原因。
二十一、For the past + 时间，S + 现在完成式...(过去...年来，...一直...) 例句：For the past two
