1、(一般现在时)(一般现在时)时态概念:时态概念:句子的句子的时态时态是指在不同时间里发生是指在不同时间里发生的动作或存在的状态,要用的动作或存在的状态,要用动词动词的的不同不同形式形式表示出来表示出来。注意两要点注意两要点:1、这种时态的用法。2、这种时态的构成。(一般现在时用法一般现在时用法)I have long hair.My hair is long.things that are true now.目前存在的事实目前存在的事实Simon plays football after school.things that we do regularly.经常做的事经常做的事Cats eat
2、 fish.things that are always true.客观存在的事实客观存在的事实一一.当我当我们谈论以下几种情况以下几种情况时,用一般用一般现在在时:1.表示表示现在存在的状在存在的状态;2.表示表示经常性、常性、习惯性的性的动作作;3.表示客表示客观事事实或普遍真理。或普遍真理。句中常用句中常用always,usually,often,sometimes,seldom,never,every day,in the morning等等时间状状语。一般现在时的构成:一般现在时的构成:My name is Amy.He is ten years old.-be动词的一般现在时。I
3、often play football after school.He watches TV every day.-行为动词的一般现在时动词的种类动词的种类:1、行行为动词:含有实在的意义,表示动作或状态,在句中能做谓语。例句:I often play football after school.He watches TV every day.She has a sister.We like playing football.2、连系系动词 例句:He is ten years old.I feel happy.3、助助动词 例句:Do you have a sister?He doesnt
4、speak English.4、情态动词 例句:We must go now.She can speak English.行行为动词的一般的一般现在在时的构成:(看例句并的构成:(看例句并总结规律,律,注意注意观察察红色和色和蓝色字体。)色字体。)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 f
5、ootball every day.总结规律:律:当当主主语是是第一、第二人称和第三人称复数第一、第二人称和第三人称复数时,行,行为动词使用其使用其原形原形。当主。当主语是是第三人称第三人称单数数时,行,行为动词使用其使用其第三人称第三人称单数数形式。形式。行行为动词一般一般现在在时的第三人称的第三人称单数形式的数形式的构成方法构成方法见书117页。主主语是第三人称是第三人称单数指的是:(数指的是:(举例例说明)明)写出下列行为动词的第三人称单数形式:1.like2.swim3.work4.catch 5.go6.study7.worry 8.have9.dolikesswims worksc
6、atches goesstudiesworries hasdoes1.I _(go)swimming on Sunday.2.My cousin_(enjoy)computer games.3.My parents_(watch)TV.4.Tom and Simon _(like)fish.5.He _(swim)every day.6.Tom_(play)football every day.gowatchlikeswimsplaysenjoys用所用所给词的适当形式填空的适当形式填空行为动词一般现在时的否定句和一般疑问句。1、I speak English.否定句:I do not/don
7、t speak English.一般疑问句:Do you speak English?肯定回答:Yes,I do.否定回答:No,I dont.2、He speaks English.否定句:He does not/doesnt speak English.一般疑问句:Does he speak English?肯定回答:Yes,he does.否定回答:No,he doesnt.(注意蓝色和红色字体,总结规律。行为动词一般现在时的否定句和一般疑问句行为动词一般现在时的否定句和一般疑问句构成:构成:否定句:否定句:在行为动词前加在行为动词前加do not或或does not,当主语是第三人称单
8、数时,助动词用当主语是第三人称单数时,助动词用does.在非正式行文中,在非正式行文中,do not和和does not可以缩可以缩写成写成dont 和和doesnt.一般疑问句:一般疑问句:在句首加助动词在句首加助动词do和和does,当当主语是第三人称单数时,助动词用主语是第三人称单数时,助动词用does.注意:在疑问句和否定句中,注意:在疑问句和否定句中,助动词之后助动词之后的行为动词均用原形。的行为动词均用原形。改改错题:1.I goes to school at six every day.2.He dont like playing football.3.I am watch TV
9、 every day.4.Daming watchs TV in the evening.5.Does he usually has a party?6.Our English doesnt likes music.7.Tony goes always to school at eight oclock.8.Does your parents like watching TV?9.Lily haves lunch at school.10.My sister doesnt her homework every._ _godoesnt去掉amwatcheshavelikealways goes_
10、dohasdoesnt do行行为动词一般一般现在在时的构成:(小的构成:(小结)肯定句:肯定句:当主当主语是第三人称是第三人称单数数时,行,行为动词用用 。主主语是非第三人称是非第三人称单数,行数,行为动词用用 。否定句:否定句:在行在行为动词前加前加 ,当主当主语是第三人称是第三人称单数数时,助,助动词用用 在非正式行文中,在非正式行文中,do not和和does not可以可以缩写成写成dont 和和doesnt.一般疑一般疑问句:句:在句首加助在句首加助动词 ,当当主主语是第三人称是第三人称单数数时,助,助动词用用 .注意:在疑注意:在疑问句和否定句中,句和否定句中,助助动词之后之后的
11、行的行为动词均用原形。均用原形。三三单形式形式does原形原形do not或或does notdo或或doesdoes句型句型转换:1.把下面句子改成一般疑把下面句子改成一般疑问句并做肯定句并做肯定和否定回答。和否定回答。2.改改为否定句。否定句。1.He watches TV every day.2.I do my homework every day.3.Lucy and Lily come from the USA.4.She eats eggs every morning.5.They do a lot of homework every day.6.Im from NanjingLe
12、ts correct:1.I goes to school at six every day.2.He dont like playing football.3.They likes playing games.4.Millie watchs TV in the evening.5.Does he often has a party?6.Mr.Wu teachs us English.7.Lily and Millie goes to school at eight oclock.8.Do they eats food in the party?9.Lily haves lunch at school.godoesntlikewatcheshaveteacheshasgoeat1.Review the grammar part again.2.What do you like to do after school?Write them down.Use the simple present tense of the verb to do.
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