Unit 1 How can we become good learners
介词 by 的使用方法1
by 意为“通过”,其后常接名词或动词-ing 形式
用来表达“以、通过、用(某种措施或手段)”而达到某种预期的目的,常用来回答 how 引导的特殊疑问句
by doing sth 意为“通过做某事”—How does the boy improve his spoken English
—By talking with a foreigner
(1)—How do you learn English so well
— chatting with my uncle in America online
With C
And(2)Jackson studied Chinese by __________ tapes
listening B
to listen C
listening to D
to listening to 2
by+ 时间, 意为 “不迟于,在……之前 ”I have to go to bed by ten o’clock
by+ 地点, 意为 “在……旁 ”Jim sat down by the window
by+ 交通工具, 意为 “乘……” I go to school by bike
由 by 构成的固定短语:by the way 顺便说一下 by oneself 独自=alone二
目前完毕时的使用方法(一)使用方法:1
表达过去发生的某一动作或状态对目前导致的影响或成果
常用的标志词有already( “ 已经” , 用于肯定句 ),yet( “ 还 , 已经”,用于否认句和疑问 句 ),ever ( “ 曾 经 ” ) ,never ( “ 绝 不 , 从 不 ” ) , ju