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。)
例句:It pays to help others.
帮助别人是值得的。
二十四、 be based on (以……为基础)
例句:The progress of thee society is based on harmony.
社会的进步是以和谐为基础的。