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Revision. Unit one. 一般现在时. 1.一般现在时主要由动词原形表示,但第三人称单数后要加词尾- s ,另外 be ( am is are ) 和 have ( have has) 有特殊的人称形式 . 2. 词尾- s ( -es ) 的加法 (1) 一般情况下,在动词之后直接加- s. (reads ,writes). (2) 以 ch ,sh,s,x, 结尾的,加- es. ( teaches, washes )
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Revision Unit one
一般现在时 1.一般现在时主要由动词原形表示,但第三人称单数后要加词尾-s,另外be(am is are) 和have (have has)有特殊的人称形式. 2. 词尾-s(-es) 的加法 (1) 一般情况下,在动词之后直接加-s. (reads ,writes). (2) 以 ch ,sh,s,x,结尾的,加-es. (teaches, washes ) (3) 以“辅音字母+y” 结尾的词,变y为I ,再加-es. (try—tries, carry—carries) • (-)一般现在时的构成 (二) 句式结构 1.肯定句 主语+{ 动词原形 +其他. 动词第三人称单数 2. 否定句 主语+{ don’t +动词原形 +其他. doesn’t +动词原形 3.疑问句 Do/does +主语+动词原形+其他.
(三)一般现在时的用法 • 1.表示经常发生的动作或存在的状态(常和always • usually, often, every day 等时间状语连用) • We often help each other. • He goes to school every morning. 2. 表示客观事实或普遍真理 The earth moves around the sun. Light travels faster than sound. ? 3. 表示心理状态和感觉 I don’t need your help. She doesn’t like apples.
频度副词 • 1。频度副词是表示动作发生频率的词汇,常用的有never,sometimes,often,usually,always等。 • 2。频度副词在句中的位置 • (1)系动词,助动词,情态动词之后 • She is often late for school. • I will never do it again. • (2)行为动词前 • They usually go to school on foot. • Jim always helps others. • (3)有些可放在句首或句尾,表示强调 • Sometimes I walk home.
Words • 1.hardly • (1).否定副词,位于行为动词之前,系动词。助动词。情态动词之后,常用来修饰表示能力的词,如can.could等。 • It hardly rains here. • I can hardly see you . • 2.hard • 既是副词(努力地,猛烈地剧烈地) ,又是形容词( • 困难的,硬的,勤奋的,严厉的。) . 1。She always works _______. 2. I am so tired that I can _________walk any farther.
sometimes/some times/sometime/some time. • 1.sometimes 有时候。(at times) • 2.some times 好几次 (次数) • I have been to Beijing some times. • 3.sometime 有朝一日,过去。将来的一个不确定时间。 • I will come to see you sometime next week. • 4.some time 一段时间 • I waited for you for some time.
favorite=like …best/mostWhat is your favoritesubject? exercise:指具体运动或体操时可数,指笼统的运动不可数. • What subject do you like best/most? Improve:提高,(make…better). improve on sth.意思是对..做出改进,做出比..更好的东西. He can not improve on my idea. habit: a habit of doing. 做..的习惯 He has a habit of coming early. get into the habit of doing. 养成做..的习惯 I get into the habit of getting up early. look at sth./sb. look like sth./sb. Look the same look it/them up look for sth./sb.
too/also/either • 1.too:用于肯定和疑问中,一般在句末,前加逗号;或做插入语在句中,前后有逗号;在简略回答中在宾格代词后. • He has a pen, I have a pen, too. • You, too, can do it. • I want to go. ___ Me too. • 2. also: 用于肯定和疑问,在句中,系动词或助动词后,行为动词前. • She is also a worker. • I also have a pen. • 3.either:用于否定,句末. • They don’t like apples, either. • 1. I, ___,finished my work. • 2. He _____likes swimming in summer. • 3. my father didn’t go to the park, and I didn’t go,_____.