_英语写作少不了积累句型。以下是小编带来的2017英语写作必背经典句型【集锦】，希望对你有帮助。
_the 形容词*高级 n. (that) s(主语) have *r seen / known / heard / had / read, etc
_例句：helen is the most beautiful girl that i have *r seen.
_(海伦是我见过的*美丽的女孩。)
_nothing is 形容词比较级 than to v(谓语)
_例句：nothing is * important than to receive education.
_(没有比接受教育更重要的事。)
_s cannot emphasize the importance of sth. too much：再怎么强调……的重要性也不为过。
_例句：we cannot emphasize the importance of protecting our eyes too much.
_(我们再怎么强调保护眼睛的重要性也不为过。)
_there is no doubt that 句子：毫无疑问，……
_例句：there is no doubt that the economy is recovering.
_(毫无疑问，经济已经逐渐复苏。)
_it pays to v o(宾语)：……是值得的。
_例句：it pays to * others.
_(帮助别人是值得的。)
_an advantage of 名词结构 is that 句子：……的优点是……
_例句：an advantage of using solar energy is that it won't * any pollution.
_(使用太阳能的优点是它不会产生任何污染。)
_there is no denying that 句子：不可否认……
_例句：there is no denying that the quality of our life has gone from good to better.
_(不可否认，我们的生活质量日益改善。)
_on no account can we v：我们*不能……
_例句：on no account can we ignore the value of knowledge.
_(我们绝不能无视知识的价值。)
_it is universally acknowledged that 句子：全*知道……
_例句：it is universally acknowledged that trees are indispensable[不可或缺的] to us.
_(全*知道树木对我们是不可或缺的。)
_the reason why 句子 is that 句子：……的原因是……
_例句：the reason why we have to grow trees is that they can provide us with fresh air.
_(我们必须种树的原因是它们能给我们提供新鲜空气。)
_be closely related to sth.：与……息息相关
_例句：taking exercise is closely related to health.
_(做运动与健康息息相关。)
_so 形容词 be s that 句子：如此……以致于……
_例句：so precious is time that we can't afford to waste it.
_(时间是如此珍贵，它经不起我们浪费。)
_it is time s 动词过去式：该是……的时候了。
_例句：it is time the authorities concerned took proper steps to solve the traffic problems.
_(有关当局是时候采取适当措施解决交通问题了。)
_s enable o to v：……使……能够……
_例句：listening to music enables us to feel relaxed.
_(听音乐使我们获得放松。)
_be forced / obliged / compelled 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。)_a. as s be, s v o：虽然……， 但是……
_例句：rich as our country is, the quality of our life is by no means sati*actory.
_(虽然我们的*富有，但我们的生活质量仍差强人意。)
_it is conceivable / obvious / apparent that 句子：可想而知/明显/显然……
_例句：it is apparent that knowledge plays an important role in our life.
_(显然，知识在我们人生中扮演着重要角色。)
_the 形容词比较级 s v, the 形容词比较级 s v：……愈……，……愈……
_例句：the harder you work, the * progress you make.
_(愈努力，愈进步。)
_since s 动词过去式，s 现在完成式： 自从……，……一直……
_例句：since he went to senior high school, he has worked very hard.
_(自从上了高中，他一直很用功。)
_by v-ing, s can v：通过……，……能够……
_例句：by taking exercise, we can always stay healthy.
_(通过做运动，我们能够保持健康。)
_be based on sth.：以.……为基础
_例句：progress in society is based on harmony.
_(*的进步是以和谐为基础的。)
_that is the reason why 句子：那就是……的原因
_例句：summer is sultry[闷热的]. that is the reason why i don't like it.
_(夏天很闷热。那就是我不喜欢它的原因。)
_there is no one but v o：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。)
_due to / owing to / thanks to sth. / v-ing：因为/ 多亏……
_例句：thanks to his encouragement, i finally realized my dream.
_(因为他的鼓励，我终于实现了梦想。)
_for the past 时间, s 现在完成式： 过去的……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。)
_what a a. n. s v!= how a. 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!)
_get into the ha*t of v-ing = make it a rule to v：养成……的习惯
_例句：we should get into the ha*t of keeping good hours.
_(我们应该养成早睡早起的习惯。)
_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太满意。)
_those who v o：那些……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。)
_have a great influence on sth.：对……有很大影响
_例句：smoking has a great influence on our health.
_(抽烟对我们的健康有很大影响。)
_spare no effort to v：不遗余力地……
_例句：we should spare no effort to beautify our environment.
_(我们应该不遗余力地美化我们的环境。)
_do good / harm to sth.：对……有益/有害
_例句：reading does good to our mind.
_(读书对心灵有益。)
_pose a great threat to sth.：对……造成很大威胁
_例句：pollution poses a great threat to our existence.
_(污染对我们的生存造成很大威胁。)
_bring home to s o：让……明白……
_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。)
_do one's utmost to v = do one's best to v：尽全力去……
_例句：we should do our utmost to achi* our goal in life.
_(我们应尽全力去达成我们的人生目标。)
___