十三、-enable+Object(受词)+to+V(……使……能够……)

　　例句：Listening to music enable us to feel relaxed.

　　听音乐使我们能够感觉轻松。

　　十四、On no account can we+V-(我们绝对不能……)

　　例句：On no account can we ignore the value of knowledge.

　　我们绝对不能忽略知识的价值。

　　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。