一、~~~ the + ~ est + 名词 + (that) + 主词 + have ever + seen ( known/heard/had/read, etc)~~~ the most + 形容词 + 名词 + (that) + 主词 + have ever + seen ( known/ heard/ had/ read, etc)例句：Helen is the most beautiful girl that I have ever seen.海伦是我所看过最美丽的女孩。Mr. Chang is the kindest teacher that I have ever had.张老师是我曾经遇到最仁慈的教师。二、Nothing is + ~~~ er than to + V Nothing is + more + 形容词 + than to + V例句：Nothing is more important than to receive education.没有比接受教育更重要的事。三、~~~ cannot emphasize the importance of ~~~ 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。四、There is no denying that + S + V ……（不可否认的……）例句：There is no denying that the qualities of our living have gone from bad to worse.不可否认的，我们的生活品质已经每况愈下。五、It is universally acknowledged that + 句子~~ （全世界都知道……）例句：It is universally acknowledged that trees are indispensable to us.全世界都知道树木对我们是不可或缺的。六、There is no doubt that + 句子~~ （毫无疑问的……）例句：There is no doubt that our educational system leaves something to be desired.毫无疑问的我们的教育制度令人不满意。七、An advantage of ~~~ is that + 句子 （……的优点是……）例句：An advantage of using the solar energy is that it won't create (produce) any pollution.使用太阳能的优点是它不会制造任何污染。八、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./ The reason why we have to grow trees is that they can supply fresh air for us.我们必须种树的原因是它们能供应我们新鲜的空气。九、So + 形容词 + be + 主词 + 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，我们经不起浪费它。十、Adj + as + Subject（主词）+ be, S + V~~~ （虽然……）例句：Rich as our country is, the qualities of our living are by no means satisfactory. {by no means = in no way = on no account 一点也不}虽然我们的国家富有，我们的生活品质绝对令人不满意。十一、The　+　~er　+　S　+　V,　~~~　the　+　~er　+　S　+　V　~~~The　+　more　+　Adj　+　S　+　V,　~~~　the　+　more　+　Adj　+　S　+　V　~~~（愈……愈……）例句：The　harder　you　work,　the　more　progress　you　make.你愈努力，你愈进步。The　more　books　we　read,　the　more　learned　we　become.我们书读愈多，我们愈有学问。十二、By　+Ving,　~~　can　~~　（借着……，……能够……）例句：By　taking　exercise,　we　can　always　stay　healthy.借着做运动，我们能够始终保持健康。十三、~~~　enable　+　Object（受词）+　to　+　V　（……使……能够……）例句：Listening　to　music　enable　us　to　feel　relaxed.听音乐使我们能够感觉轻松。十四、On　no　account　can　we+　V　~~~　（我们绝对不能……）例句：On　no　account　can　we　ignore　the　value　of　knowledge.我们绝对不能忽略知识的价值。十五、It　is　time　+　S　+　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.该是有关当局采取适当的措施来解决交通问题的时候了。十六、Those　who　~~~　（……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。十七、There　is　no　one　but　~~~　（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。十八、be　+　forced/compelled/obliged　+　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。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。二十五、Spare　no　effort　to　+　V　（不遗余力的）例句：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.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。