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1、初中七年级一 般 现 在 时 The simple present tense,本节课主要内容,一、一般现在时的四种用法二、含be/can动词的一般现在时三、含行为动词的一般现在时,一般现在时,概念,一般现在时表示习惯性或经常性的动作，也可表示现在的状态或主语具备的性格和能力，及普遍真理和自然规律。,用法,一、一般现在时表示习惯性、经常性的动作，通常和时间标志词（always、usually、often、sometimes 、never、every morning/night/afternoon/day/week/month/year、once/twice a day/week/month/y
2、ear等）连用。1）她通常在早上六点起床。She usually gets up at six oclock in the morning. 2）他每天早上读英语。He reads English every morning.,二、一般现在时表示现在的状态 1）我12岁了。 Im twelve. 2）她有三个篮球。 She has three basketballs. 3）我的书包在哪？ Where is my schoolbag? 三、一般现在时表示主语具备的性格和能力。 1）我喜欢打篮球，但我不喜欢踢足球。I like playing basketball ,but I dont like
3、 playing football. 2）他会讲汉语。 He can speak Chinese.,四、一般现在时还可用于普遍真理和自然规律： 1） Two and four is six. 2加4等于6. 2）The moon goes around the earth. 月亮围绕着地球转。 3）The sun rises（上升，升起） from the east. 太阳从东方升起。,你记住了么？,一般现在时的构成,一、系动词be的一般现在时 二、情态动词的一般现在时 三、实义（行为）动词的一 般现在时,一、系动词be的一般现在时,1、构成：,主语 + be 系动词+ 表语（名词/形容词/介
4、词短语）,2、be 包 括 哪 些 ？,is am are,The girl is my friend. He is Chinese. We are in Zhangzhou now.,主语为三单数时主语为复数时主语为“I”时 ,is,are,am,Exercise,1、Kitty an English girl. 2、We students. 3、I from Taizhou. 4、She tall. 5、Lucy and Lily good friends. 6、Those chairs broken. 7、The bag mine.,is,are,am,is,are,are,is,否定句
5、的构成,主语 + be + not + 其他,is not =am not=are not=,isnt,m not,arent,1、Kitty (not) an English girl. 2、We (not) students. 3、I (not) from Taizhou. 4、She (not) tall. 5、Lucy and Lily （not）good friends. 6、Those chairs (not) broken. 7、The bag (not) mine.,isnt,arent,am not,isnt,arent,arent,isnt,系表结构,（1）系动词：am i
6、s are （ 用于一般现在时）I am a teacher.（一般现在时的系表结构） She is a doctor. （一般现在时的系表结构） They are workers. （一般现在时的系表结构）,（2） 五感动词： look 看起来taste 尝起来smell 闻起来sound 听起来feel 感觉起来,+形容词,情态动词的一般现在时,构成,主语 + 情态动词 + 动词原形+其他,She can speak English.,注意：情态动词后的动词一定要用原形,Eg: They should(应该) be right.,试比较：They are right.She speaks
7、English.,否定句的构成,主语 + 情态动词 + not + 动词原形 + 其他,can not = could not = must not = would not = will not = should not = may not =,cant,couldnt,mustnt,wouldnt,wont,shouldnt,may not,She (can) speak English. You (must) open the door. I (will) go to Japan.,行为动词的一般现在时,构成,主语 + 行为动词 + 其他,These boys like playing f
8、ootball.,The girl reads English every morning.,注意：当主语为第三人称单数时， 行为动词要加s或者es,什么时候加s，什么时候加es呢？,1、大多数动词在词尾直接加s， 如read reads look looks play plays2、以辅音字母加y结尾的动词，要先将y变为i，再加es 如：fly flies try tries study studies 26个字母中 除A E I O U五个元音字母外，其余21个都是辅音字母3、以“s, x, ch, sh”结尾的，在词尾加“es”，发音为iz 如： teachteaches iz; wat
9、chwatches iz guess-guesses4、以“o”结尾的动词，加“es”，读z 如： gogoes z dodoes z,Complete the sentences. Use the simple present tense of the verbs in brackets,My father_(listen) to the radio every day. Mike_ (study) in a middle school. She_(take) Eddie for a walk after supper. He_(wash) clothes with his hands. S
10、imon _ (pass) the ball to Daniel. Miss Li_ (teach) Chinese. Look at the animal, it _ four legs.,listens,takes,studies,washes,passes,teaches,has,8,否定句的构成,主语 + 助动词（do/does）+not +行为动词原形 + 其他,These boys dont（do not） like playing football.,The girl doesnt （does not）read English every morning.,什么时候用助动词do，
11、什么时候用助动词does呢？,取决于主语,The girl reads English every morning.,These boys like playing football.,当主语为复数时，用助动词do构成否定 当主语为单数时，用助动词does构成否定,注意：dont 和 doesnt 之后动词一定要用原形,Change the following sentences after the models.,I like red. (green) They like apples. (oranges) We take a bus to school every day. (walk t
12、o school),Model 1: I like fish. (meat)I dont like meat.Model 2. He likes reading. (writing) He doesnt like writing.,I dont like green.,They dont like orange.,We dont walk to school every day.,10,4. His brother plays football after school. (play basketball)5. It looks like a cat. (hat)6. She has a do
13、g at home. (a cat),Model 1: I like fish. (meat)I dont like meat.Model 2. He likes reading. (writing) He doesnt like writing.,His brother doesnt play basketball.,It doesnt look like a hat.,She doesnt have a cat at home.,11,Complete the sentences. Use the proper verb forms in brackets,1. Jordan _(play
14、) basketball.He _(not play) football. 2. I _(go) swimming on Sunday.But I_ (not go) shopping. 3. My cousins _(like) computer games.But they _(not like) ball games. 4. You _(need) fish. But he _(not need) fish.,plays,doesnt play,go,dont go,like,dont like,need,doesnt need,12,Ex1. 将下列各句从肯定式改为否定式,I talk to Peter because I like himKate comes from America. Kate works with PeterI am Chinese, and I am a student.They know each other.,I dont talk to Peter because I dont like him.,Kate doesnt come from America.Kate doesnt work with Peter.,
