百度文库- 让每个人平等地提升自我1 Unit 4I used to be afraid of the dark. 1.brave enough 足够勇敢enough 的用法:(1)用作形容词,意为“充足的;足够的”,在句中可作定语或表语。作定语时,它的位置较灵活,既可放在所修饰词前,也可放在所修饰词后。如:We have enough time(time enough) to finish the work. 我们有足够的时间来完成这项工作。(2)用作副词,意为“充分地;足够地;十分”,修饰形容词、副词或动词,位于所修饰词之后。如:Are you warm enough in such a sweater? 你穿这么一件毛衣够暖和吗?enough 往往用在 be+形容词+ enough+for +sb.+to do 结构中,注意 do 后面不接宾语。如:The room is big enough for me to live in. 这个房间对我来说足够居住了。(3)用作代词,意为“足够;充分”。如:— Would you like another piece of cake? 你想再来一块蛋糕吗?— I have had enough. 我已经吃够了。2.a small number of people少数人(1)a number of 意为“一些;若干;许多”,修饰可数名词的复数形式,谓语动词用复数形式。 number 可用 small, big, large 来修饰。如:①A number of books are missing from the library. 图书馆里有一些书不见了。②A number of students in this college are learning English. 这个大学里的许多学生在学英语。(2)the number of 意为“⋯⋯的数量”, 修饰可数名词的复数形式,谓语动词用单数形式。如:The number of students in this college is increasing. 这个大学里学生的数量在增加。3.He was often absent from classes, and he failed his examinations.他经常缺课并且考试不及格。(1)absent 作形容词,意为“缺席的”,其后常接介词from。如:They were absent from work that day. 他们那天都没有上班。be absent from 还可表示“缺少;没有;无”。如:Love was totally absent from his childhood. 他童年时代没受到丝毫的疼爱。absent用作形容词有时还表示“心不在焉的;茫然的”,通常只用作定语。如:百度文库- 让每个人平等地提升自我2 He had an absent look on his face. 他脸上露出茫然的神色。(2)absent 作动词时,只用作及物动词,意为“缺席”,只接反身代词作宾语,表示“做某事缺席”,其后...