1、一般现在时一般现在时主讲:代用名 时间:20XX.XX人教版初中英语七年级上册第四单元概念与用法概念与用法动词变化规则动词变化规则随堂练习随堂练习课后总结课后总结课后作业课后作业目录目录CONTENTSCONTENTS0102030405概念与用法概念与用法Part. one句子的句子的时态时态是指在不同时间里发生的动作或是指在不同时间里发生的动作或存在的状态,要用存在的状态,要用动词动词的的不同形式不同形式表示出来。表示出来。1 1、这种时态的、这种时态的用法用法。 2 2、这种时态的、这种时态的构成构成。时态概念时态概念注意两要点注意两要点概念与用法概念与用法01I walk to sch
2、ool every day.I listen to music every day.看一看看一看概念与用法概念与用法01My hair is long.Tom plays football every day.Cats eat fish.一般现在时的用法一般现在时的用法概念与用法概念与用法01表示现在存在的状态表示现在存在的状态表示经常性,习惯性的动作表示经常性,习惯性的动作 表示客观事实或普遍真理表示客观事实或普遍真理 一般现在时态经常与often,sometimes,always,usually等副词连用,也经常与every day, every week, every month, ev
3、ery term, every year, once a week,twice a year(一年两次)等时间状语连用。She gets up early every morning. 她每天早上早起。I go to see my grandmother every month. 我每个月都去看我的奶奶。注注 意意概念与用法概念与用法01For exampleFor example 动词三动词三单单一般现在时的构成结构一般现在时的构成结构概念与用法概念与用法01BeBe动词动词动词原形动词原形BeBe动词的一般现在时的构成动词的一般现在时的构成I am a good person.概念与用法概
4、念与用法01You are a good person.He/She is a good person.肯定变否定,肯定变否定,bebe后加后加not not 否定句结构变化否定句结构变化概念与用法概念与用法01I am not a good person.You are not a good person. He/She is not a good person. 一般疑问句结构变化一般疑问句结构变化肯定句变一般疑问句,只需将肯定句变一般疑问句,只需将bebe动词提前动词提前 概念与用法概念与用法01 Are you a good person? Is she/he a good perso
5、n.行为动词行为动词的一般现在时是怎么构成的呢?1、I play football every day .2、You play football every day .3、My friends play football every day .4、He plays football every day .5、Tom plays football every day .6、My brother plays football every day .观察下列句子观察下列句子概念与用法概念与用法011. 当主语是第一人称、第二人称和复数时,谓语动词用原形;2. 当主语第三人称单数的时候,谓语动词后面加
6、s/es;概念与用法概念与用法01小结论小结论 谓语动词的单复数要和主语人称和数保持一致。当主语是第三人称单数时,谓语动词要变成三单的形式(即在动词后即在动词后面加面加s s或者或者eses)。当主语是其他人称时,谓语动词用原形。动词规则动词规则概念与用法概念与用法01一般动词后加-s。like-likeslike-likesHe likes playing basketball.以s、x、ch、sh结尾,后加es。以辅音字母+y结尾的单词,变y为i,再加-es。study-studiesstudy-studiesHe studies English very hard.以辅音字母加o结尾,一
7、般加-es概念与用法概念与用法01第三人称单数变化规则第三人称单数变化规则124do-doesdo-doesShe always does her homework on time.3watch-watcheswatch-watchesMy father watches TV every night. 动词三单现在式,一般词尾加-s。s、x、ch、sh 连词尾,直接加上-es。词尾若是字母o,考虑是否加-es。辅音字母+y 来结尾,变y为i有道理,-es后面紧跟随,大家一定看仔细。动词第三人称单数变化的歌诀动词第三人称单数变化的歌诀概念与用法概念与用法01动词变化规则动词变化规则Part. t
8、wo肯定句结构肯定句结构1、I play football every day .2、My friends play football every day .3、He plays football every day .4、Tom plays football every day .动词变化规则动词变化规则02否定句结构否定句结构“主语主语+dont/doesnt+dont/doesnt+动词原形动词原形+ ”+ ”:1、I dont play football every day .2、My friends dont play football every day .3、He doesnt
9、plays football every day .4、Tom doesnt plays football every day .动词变化规则动词变化规则021、Do you play football every day ?2、Do your friends play football every day ?3、Does he play football every day ?4、Does Tom play football every day ?一般疑问结构一般疑问结构“Do/Does+“Do/Does+主语主语+ +动词原形动词原形+ ?”+ ?”:动词变化规则动词变化规则02随堂练习随
10、堂练习Part. three一、用所给词的适当形式填空一、用所给词的适当形式填空1. The lion _ ( not , eat ) grass. It likes _ (eat) meat.2._ the snake _ ( like ) fruits ? 3. My father _ ( go ) to work at 8:00 every day. He _ ( not , go ) to work on foot.4. _ Jack _ ( have ) four classes in the morning ? Yes, he _ ( have ) four.5. _ you of
11、ten _ ( listen ) to music? No, I dont. I like _ ( play ) table tennis.doesnteatingDoeslikegoesdoesnt goDoeshavehasDolistenplaying1. We often read books after school. (用the girl做主语) The girl often _ books after school.2. Playing the piano is my favourite. (变为同义句) I _ the piano best.3. We have an Engl
12、ish lesson today. (变否定句) We _ an English lesson today.4. We have science on Tuesday and Friday. (对划线部分提问) When_ you _ science?二、句型转换二、句型转换readslike playing dont havedohave课堂总结课堂总结Part. four什么是时态呢?一般现在时有几种用法呢?时态的概念时态的概念一般现在时用法一般现在时用法动词变化规则动词变化规则第三人称单数动词该怎么变呢?课后作业课后作业Part. five改错题1.Our English doesnt likes music.2. Tony goes always to school at eight oclock.3. Does your parents like watching TV?4. Lily haves lunch at school.5. My sister doesnt her homework every . 谢谢聆听谢谢聆听主讲:代用名 时间:20XX.XX人教版初中英语七年级上册第四单元