h measurements and expressions of time,age ,etc（用于表示计量、时间或 年龄等）eg:2 kilos of potatoes两公斤马铃 薯；a girl of 12十二岁的女孩；the forth of july 七月四日 ed to sb/sth belongs to a group,often after some,a few,ect.（表示人或物的所属） 属于……的.eg:some of his friends他的几 位朋友；a few of the problems其中的几个 问题
2.belonging to sth;being part of sth;relating to sth属于某物；（某事）部 分的；关于某物 eg:a member of the team一名队员 the director of the company公司的董事长 ing from a particular background or living in a place出身于某背景；住在某地 eg:the people of Wales威尔士人民


ed to show the position of sth/sb in space or time(表示人或事的时空位置）在，当。eg:at the time of revolution在革命的年代；at a quarter of eleven tonight在今晚十一点差一刻 ed after nouns formed from verbs.the noun after 'of' can be either the object or the subject of the action.(用于由动词转化的名词之后，of之后 的名词可以是受动者，也可以是拖动者） eg:the arrival of the police(=they arrive)警察的到 来；fear of the dark对黑暗的惧怕；the howling of the wind狂风的呼啸



14.of all:used before a noun to say that sth is very surprising(用于名词前，表示某事 着实令人吃惊）竟然，偏偏。eg:I'm surprised that you of all people should say that.所有人当中你竟然那么说，真让我吃 惊! 15.of all the ed to express anger(用以 表示愤怒）eg:Of all the nerve竟然如此厚 颜无耻！
exercise


1.The home improvements have taken of my spare time .用的是第10种，of用于动 词take之后，后接动词所涉及的人或事， 即my spare time. 2.we need to find a map of China.用第四种， 反映某人或某事，即中国的地图


ed after some verbs before mentioning sb/sth involved in the action(用于某些动词后，后接动 作所涉及的人或事）eg:to deprive sb of sth剥夺 某人的东西；he was cleared of all blame.他所受 的一切责难都澄清了 ed after some objectives before mentioning sb/sth that a feelng relates to(用于某些形容词后， 后接与感情相关的人或事）因为，由于。eg:to be proud of sth 为某事自豪
介词of的用法
1. belonging to sb；relating to sb属 于某人；关于某人 A friend of mine我的一个朋友； the role of the teacher教师的角色 The paintings of Tom汤姆的画作



注意：When you are talking about everything someone has painted,written,e of.when you are referring to one or more examples of somebody's work,use by指某人所画或所著 的全部作品时，of;指其中一部或多部时， 用by eg:The paintings of Tom指汤姆的所有画 作；A painting by Tom 则是指汤姆的某 一部画作

ed to give your opinion of sb's behaviour(用于对某人的行为发表看法） eg:It was kind of you to offer感谢你的好意
ed when one noun describes a second one(用 于一个名词修饰另一个名词时）eg:where's that idiot of a boy?那个傻小子在哪里？


4.concerning or showing sb/sth关于/反映 （某人或某事）eg:a photo of my dog我那 只狗的照片；a map of India印度地图 ed to what sb/sth is,consists ofowd ,or contains(用于表示性质、组成或涵盖）即， 由……组成：the city of Dublin都柏林市； a crowd of people一群人；a glass of milk 一杯牛奶