1、think,change,visit,get,learn,like,read,go,want等等有具体、实际含义的动词叫有具体、实际含义的动词叫做做行为动词行为动词。我们常使用我们常使用动词动词be的一般现的一般现在时在时谈论谈论事实和状态事实和状态。仔细观察并思考，仔细观察并思考，行为动词行为动词的的一般现在时一般现在时怎么用呢？怎么用呢？Here are some sentences from Millies article about Daniel.Read them and pay attention to the use of the verbs.Daniel often visit
2、sscience museums.Science changespeoples lives.Daniel likes to takethings apart.things that we often dothings that are always truethings that are true nowWe use the simple present tense when we talk about:我们常用我们常用行为动词的一般现在时行为动词的一般现在时谈谈论论我们经常做的事我们经常做的事、不受时间限制不受时间限制的客观事实的客观事实以及以及人或物的一般特征人或物的一般特征。1)She
3、sings very well.2)The fish soup is nice.You cook really well.1.1.经常性、习惯性的行为。经常性、习惯性的行为。1)I often go to the Art Club after school.2)Jessica often helps her mother clean rooms.2.2.不受时间限制的客观事实。不受时间限制的客观事实。1)Fish live in water.2)The earth goes around the sun.3.3.人或物的一般特征。人或物的一般特征。行为动词的一般现在时行为动词的一般现在时当我们
4、用一般现在时进行表当我们用一般现在时进行表达的时候，达的时候，不能同时使用动不能同时使用动词词be和行为动词和行为动词。判断正误。判断正误。I am good at swimming.（）I love swimming.（）I am love swimming.（）1)He plays football every day.2)She visits museums every weekend.3)It tastes good.根据根据主语的人称和数的不同主语的人称和数的不同，行为动词的一般现在时有，行为动词的一般现在时有两种形式两种形式。1.1.当主语是当主语是第一人称的单复数、第二人称的单复
5、数第一人称的单复数、第二人称的单复数 和第三人称复数和第三人称复数时，行为动词使用其时，行为动词使用其原形原形。1)We/I have different subjects at school.2)You come very early.3)They enjoy jogging in their free time.2.2.当主语是当主语是第三人称单数第三人称单数时，行为动词使用其时，行为动词使用其第三第三 人称单数形式人称单数形式。行为动词一般现在时的第三人称单数形式行为动词一般现在时的第三人称单数形式规则规则举例举例make makes live lives like likes play
6、 playswatch watches wash washes dress dresses fix fixesgo goes do doescarry carries cry criesstudy studies fly flies以以ch、sh、ss或或x结尾结尾的动词的动词后加后加es以以“辅音字母辅音字母 +o”结尾的动词结尾的动词后加后加es以以“辅音字母辅音字母 +y”结尾的结尾的动词，动词，去掉去掉y，再加，再加ies特殊变化特殊变化have has大多数动词后加大多数动词后加s行为动词第三人称单数的读音变化行为动词第三人称单数的读音变化清辅音后的清辅音后的 s 读读 /s/，浊，
7、浊辅音或元音后的辅音或元音后的 s 读读 /z/es 读读 /z/es 读读 /z/es 读读 /z/规则规则举例举例大多数动词后加大多数动词后加smake makes live lives 以以ch、sh、ss或或x结尾的动结尾的动词词后加后加esteach teaches finish finishes guess guesses fix fixes以以“辅音字母辅音字母 +y”结尾结尾的动词，的动词，去掉去掉y，再加，再加iescarry carries cry cries以以“辅音字母辅音字母 +o”结尾结尾的动词的动词后加后加esgo goes特殊变化特殊变化have hasP141
8、 The Class 1,Grade 7 students have different hobbies.Complete the sentences below with the correct forms of the verbs in the box.AlovesreadsplayswatchesgoesfliesdanceswantsP24 AWe make positive sentences using the verbs in the simple present tense like this:肯定句：肯定句：主语主语 +do/does+.1)I play basketball
9、 every weekend.2)She works hard.3)He goes to school by bike.4)They plant a tree together.行为动词的一般现在时句型结构行为动词的一般现在时句型结构We make negative sentences using the verbs in the simple present tense like this:1)Students do not go to school on Sunday.2)He does not work in this shop.否定句：否定句：主语主语+do not(dont)/doe
10、s not(doesnt)+动词原形动词原形+.否定句式是在否定句式是在行为动词前加行为动词前加do not或或does not。当主语是当主语是第三人称单数第三人称单数时，助动词用时，助动词用does。=Students dont go to school on Sunday.=He doesnt work in this shop.We ask and answer questions using the verbs in the simple present tense like this:行为动词一般现在时的疑问句式是在行为动词一般现在时的疑问句式是在句首加助动词句首加助动词do或或d
11、oes。当主语是。当主语是第三人称单数第三人称单数时，助动词用时，助动词用does。1)I like Chinese painting.2)She watches movie very often.3)He runs fast.4)They like summer.Do you like Chinese painting?一般疑问句：一般疑问句：Do/Does+主语主语+动词原形动词原形+.?Does she watch movie very often?Does he run fast?Do they like summer?Yes,I do.No,she doesnt.Yes,he doe
12、s.No,they dont.肯定回答：肯定回答：Yes,主语主语+do/does.否定回答：否定回答：No,主语主语 +dont/doesnt.dodoes在疑问句和否定句中，助动词之后的行为动词均用在疑问句和否定句中，助动词之后的行为动词均用原形原形。1.Paul has maths in the afternoon.(改为一般疑问句改为一般疑问句)_ Paul _ maths in the afternoon?2.I do my homework at seven.(改为否定句改为否定句)I _ _ my homework at seven.3.Do the students have
13、a break at ten oclock?(作肯定回答作肯定回答)_,_ _.4.Does Betty watch TV in the evening?(作否定回答作否定回答)_,_ _.根据要求完成句子，每空一词。根据要求完成句子，每空一词。Does havedont do Yes they do No she doesntI do not do housework on Saturday.Do you do housework on Saturday?我周六不做家务。我周六不做家务。你周六做家务吗？你周六做家务吗？用于实义动词前构成否定句用于实义动词前构成否定句和疑问句，没有实际意义。和
14、疑问句，没有实际意义。做，干，办做，干，办区分区分行为动词行为动词do和和助动词助动词do的用法的用法助动词助动词实义动词实义动词 The students are writing their names under the activities they like in the table below.Complete the questions and then use the information in the table to answer them.BDoesDoesDoesDoNo,she doesnt.No,she doesnt.Yes,she does.No,they don
15、t.P24 BWork in pairs.Use the information in the table to make more questions and answers using the verbs in the simple present tense.Then present your conversation before the class.Amy and Sandy are talking about their hobbies.Complete their conversation with the correct forms of the verbs in bracke
16、ts.ClikeknowshelpsDolikegoDogolovesgoesdoesnt likewatchesP24 C Talk with your partner about your and your friends hobbies,using the correct forms of the verbs.DHefly a kiteTheygo campingShewatch movies.P24 D肯定句肯定句:主语主语+do/does+.否定句否定句:主语主语+do not(dont)/does not(doesnt)+动词原形动词原形+.一般疑问句一般疑问句:Do/Does+主
17、语主语+动词原形动词原形+.?肯定回答：肯定回答：Yes,主语主语+do/does.否定回答：否定回答：No,主语主语+dont/doesnt.注注:另附另附word文档，点击此处链接文档，点击此处链接单项选择单项选择。()1.John and Peter often _ basketball after school.A.play B.plays C.are playing D.will play()2.My father _ in the hospital and he is a doctor.A.work B.works C.worked D.will work()3._ your si
18、ster love drawing?Yes.She draws for an hour after dinner every day.A.Do B.Are C.Does D.Is()4.Does Lily _ to school by bike?No,she doesnt.She _ to school on foot.A.goes;goes B.go;goes C.goes;go D.go;go()5.The sun _ in the east and _ in the west.A.rises;set B.rise;set C.rise;sets D.rises;setsABCBD1.Can you use the verbs in simple present tense correctly?2.Can you use the simple present tense to talk about things properly?Make a list of your after-school activities,and write 10 sentences with simple present tense.
