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 the society is based on harmony。

　　社会的进步是以和谐为基础的。

　　二十五、Spare no effort to + V (不遗余力的)

　　We should spare no effort to beautify our environment。

　　我们应该不遗余力的美化我们的环境。

　　二十六、bring home to + 人 + 事 (让……明白……事)

　　例句：We should bring home to people the value of working hard。

　　我们应该让人们明白努力的价值。

　　二十七、be closely related to (与……息息相关)

　　例句：Taking exercise is closely related to health。

　　做运动与健康息息相关。

　　二十八、Get into the habit of + Ving= make it a rule to + V (养成……的习惯)

　　例句：We should get into the habit of previewing and reviewing。

　　我们应该养成预习和复习的习惯。

　　二十九、Due to/Owing to/Thanks to + N/Ving, (因为……)

　　例句：Thanks to his encouragement, I finally realized my dream。

　　因为他的鼓励，我终于实现我的梦想。

　　三十、What a + Adj + N + S + V!= How + Adj + a + N + V!(多么……!)

　　例句：What an important thing it is to keep our promise!

　　How important a thing is to keep our promise!

　　遵守诺言是多么重要的事!

　　三十一、Have a great influence on ~~ (对……有很大的影响)

　　例句：Smoking has a great influence on our health。

　　抽烟对我们的健康有很大的影响。

　　三十二、do good to (对.。。有益)，do harm to (对……有害)

　　例句：Reading does good to our mind。读书对心灵有益。

　　Overwork does harm to health。工作过度对健康有害。

　　三十三、Pose a great threat to (对……造成一大威胁)

　　例句：Pollution poses a great threat to our existence。

　　污染对我们的生存造成一大威胁。

　　三十四、do one''s utmost to + V = do one''s best (尽全力去……)

　　例句：We should do our utmost to achieve our goal in life。

　　我们应尽全力去达成我们的人生目标。

　　三十五、Among various kinds of …，…= Of all the …， … 在各种…之中?…

　　例句：Among various kinds of sports, I like jogging in particular。

　　在各种运动中我尤其喜欢慢跑。

　　三十六、In my opinion， …= To my mind， …= As far as I am concerned， …= I am of the opinion that子句 就我的看法…;我认为…

　　例句：In my opinion, playing copmuter games not only takes much time but also is harmful to health。

　　就我的看法玩电脑游戏既花费时间也有害健康。

　　三十七、Of all the people I know， perhaps non deserves my respect more than …在我认识的人当中也许没有一个人比…更值得我尊敬。

　　例句：Of all the people I know，perhaps non deserves my respect more than Miss Wang, my English teacher。

　　在我认识的人当中也许没有一个人比我的英文老师王老师更值得我尊敬。

　　三十八、据说… It is said (that)子句

　　一般认为… It is thought (that)子句

　　大家都知道… It is known (that)子句

　　据报导… It is reported (that)子句

　　一般预料… It is expected (that)子句

　　据估计… It is estimated (that)子句

　　一般相信… It is believed (that)子句

　　例句： It''s known that Hangzhou is a beautiful city。

　　众所周知杭州是座美丽的城市。