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。

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）

we should get into the habit of keeping good hours.
我们应该养成早睡早起的习惯。

二十九、due to/owing to/thanks to + n/ving, ~~~ （因为...）

例句：thanks to his encouragement, i finally realized my dream.共3页123
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 it is to keep our promise!
遵守诺言是多么重要的事！

三十一、leave much to be desired （令人不满意）

例句：the condition of our traffic leaves much to be desired.
我们的交通状况令人不满意。

三十二、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。

三十三、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。

三十四、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。

三十五、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。