摘要：
十五、Itistime+S+过去式(该是……的时候了)例句:Itistimetheauthoritiesconcernedtookproperstepstosolvethetraf...
十五、It is time + S +过去式(该是……的时候了)
例句:It is time the authorities concerned took proper steps to solve the
traffic problems.
该是有关当局采取适当的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)
