一、a number of ,the number of a number of 意思是许多,相当于a lot of ; the number of意思是的数目,的数量,当它作主语时,谓语动词用单数形式。 A number of students like playing computer games.许多学生喜欢玩电脑游戏。 The number of the students is about 1500 in our school.我们学校学生的人数大约是1500。 二、基数词变序数词助记歌。 基变序,有规律,末尾加上th;一、二、三特殊记,八加h ,九去e ,ve要用f替;以e结尾变ie,后跟th莫忘记。要想表示几十几,只变个位就可以。特殊变化:onefirst ,twosecond ,threethird ,fivefifth ,nineninth ,twelvetwelfth ,fortyfortieth ,eight-nineeighty-ninth 三、概数表达法 数词+hundred/thousand/million/billion+名词复数 hundreds/thousands/millions/billions of+名词复数 例:1. __people go swimming in summer in Dalian.A、Thousands B、Thousand of C、Thousands of D、Thousand 2. __the students will take part in this English speech contest.A. Two hundred of B. Two hundreds of C. Hundreds of D. Hundred of 1、of sb.与for sb.的区别 of sb.对于,用于It is +adj. +of sb. to do sth.句型中,形容词为clever, kind, nice等描述人物性格特征的词,of后的人物与形容词有主表关系。 |