英语时态-一般现在时.ppt
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1、Welcome to my class,一般现在时态,一般现在时态的陈述句,概念:一般现在时表示经常发生或习惯性的动作或状态及客观现实和普遍真理。一般现在时常以动词原形表示,但当主语是第三人称单数(He,she,it)时,动词要变为单三形式,在词尾加-s或-es。E.g.He is an engineer.He gets up at 7:00 everyday.We begin to work at 8:00 a.m.every day.注意:a)一般现在时通常与always,often,usually,every day,sometimes,once a week 等时间状语连用。I alw
2、ays check the equipment before producing.The customer comes to our factory once a week.We usually do our homework at home.b)表客观现实或普遍真理。The sun rises in the east.,1、一般动词,在词尾加 s;如:work-works,live-lives,play-plays,sing-sings.eg:She lives in Dongguan.她住在东莞。2、以s/x/sh/ch/o 等字母结尾的动词,词尾加-es,teach-teaches,wa
3、sh-washes.tomato-tomatoes,potato-potatoes 特殊:photo-s,piano-s eg:My mother washes the coat.我母亲洗了大衣。3.以“辅音字母y”结尾的单词变y为i加-es.Study-studies carry-carries cry-cries 4.以“元音字母y”结尾的单词直接加-s.play-plays stay-stays,单三形式变化规则:,2.行为动词:DO 和DOES,特殊:have-has,II 一般现在时的否定式,1.Be 动词的否定式:be+not,I am a teacher.You are a wo
4、rkerShe is a doctorWe are friends.,Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.,is not=isntare not=arent,否定句,2.当谓语动词为实意动词时要借助于助动词do或does,使用does时要把后面动词的单三形式变为原型。,I like English.She sticks protecting film on Lens.We put the finished goods into color box.,I dont like English.Sh
5、e doesnt stick protecting film on Lens.We dont put the finished goods into gift box.,否定句,一般现在时的一般疑问句对于实义动词,疑问句要求是:当主语是他(he),她(she),它(it)时,句子前面加DOES,并把动词恢复原形;当主语是其他人称时,句前加DO,第一人称(I/we)换第二人称(you)。,I often go to the production line.You like the music.He goes to work by bus.,Do you often go to the produ
6、ction?Do you like the music?Does he go to work by bus?,Useful Langue from Module 1,Worklist:Advert 廣告,注意,談及Advise sb on sth 就某事給某人建議,忠告Allocate 分配,撥出Ambitious 野心勃勃的,有雄心的Annual meeting年度會議Apply for a job 申請工作,職位Attend a workshop參加讲习班Auditing 審計,查賬Author作者Award a prize授獎Badge 徽章,授給徽章Balance 平衡,使平衡,餘額,
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