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。

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.

夏天很燠热。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 years，I have been busy preparing for the examination.

过去两年来，我一直忙着准备考试。

二十二、Since + S +过去式，S +现在完成式。

例句：Since he went to senior high school，he has worked very hard.

自从他上高中，他一直很用功。

二十三、It pays to + V ~~~(……是值得的。)