1、一般现在时一般现在时Po,youre so poor at English Grammar.To be the Dragon Warrior,you should develop in an all-round way.Today lets learn simple present tense.一般现在时的一般现在时的概念概念 一般现在时用来表示人或物一般现在时用来表示人或物经常性或习经常性或习惯性的动作或状态惯性的动作或状态，也可以用来表示人，也可以用来表示人或物或物现在的状态现在的状态或者用来表示或者用来表示主语现在主语现在具有的性格或能力等具有的性格或能力等。一般现在时的一般现在时的概念
2、概念1.1.表示经常的或习惯性的动作，常与表示频度的时间状语连用。表示经常的或习惯性的动作，常与表示频度的时间状语连用。时间状语时间状语：every morning,every day,every Sunday,every week,every year,twice a week,once a month频度副词频度副词：always,usually,often,sometimes,nevereg.Tom is always late for school.What time do you usually get up every day?一般现在时的一般现在时的概念概念 2.2.表示主语具备
3、的性格、能力和特征。表示主语具备的性格、能力和特征。eg.Nancy is very tall.Wang Bing plays table tennis very well.3.3.表示客观的状态或事实：表示客观的状态或事实：eg.The earth moves around the sun.Shanghai is in the east of China.Task1 Task1 以下哪些句子是一般现在时？以下哪些句子是一般现在时？He usually gets up at six every day.Mike can play basketball very well.My mother w
4、ill go to Beijing tommorrow.My mother went to Beijing last year.一般现在时的构成一般现在时的构成1.1.含含bebe动词或情态动词的一般现在时动词或情态动词的一般现在时I am a student.My father can swim.Mike is a new student.I must go home now.I would like some cakes.They are in the forest.一般现在时的构成一般现在时的构成2.2.含实义动词的一般现在时含实义动词的一般现在时My father likes fish
5、ing.eg.I go to school by bus.第三人称单数：第三人称单数：1.1.第三人称：第三人称：he,she,ithe,she,it2.2.单个的人名，地名，国家名单个的人名，地名，国家名3.3.可数名词单数可数名词单数4.4.单个不可数名词单个不可数名词(两个不可数名词构成一个整体事物：如：黄油面包两个不可数名词构成一个整体事物：如：黄油面包the bread and butter)the bread and butter)（主语是三单时，实义动词要变三单形式）（主语是三单时，实义动词要变三单形式）Task2 Task2 以下哪些是第三人称单数？以下哪些是第三人称单数？my
6、 motherthe new studentthe USAMiss Lithe breadthe boyshis grandparentsMike and Yang Ling一般现在时的构成一般现在时的构成2.2.含实义动词的一般现在时含实义动词的一般现在时实义动词变三单形式的变化规则：实义动词变三单形式的变化规则：1.1.通常加通常加s s：like-likelike-likes s cook-cookcook-cooks s play-play play-plays s2.2.以以s,x,ch,shs,x,ch,sh结尾的动词结尾的动词,加加eses:watch-watchwatch-wa
7、tcheses wash-washwash-washeses 3.3.以以辅音字母加辅音字母加y y结尾的动词结尾的动词,去去y y加加iesies4.4.特殊情况：特殊情况：have-have-hashas go-go-goes goes do-do do-doeses如：如：study-studstudy-studiesies try-tr try-triesies carry-carrcarry-carriesies（主语是三单时，实义动词要变三单形式）（主语是三单时，实义动词要变三单形式）去去y y加加iesiesC C末尾加末尾加esesB B末尾加末尾加s sA ATask3 Ta
8、sk3 以下动词变三单形式属于哪一种？以下动词变三单形式属于哪一种？guessguess特殊特殊D DstaystaygogododohavehavelikelikecarrycarrytrytrycookcookstudystudywatchwatchfixfixTask4Task4 用所给词的适当形式填空用所给词的适当形式填空 1.We often _(play)on the playground at weekends.2.He _(get)up at six every day.3.My fafher_ (brush)teeth twice a day.4.The bread _(lo
9、ok)nice.5.Danny _(study)English,Chinese,math and art at school.6.Mike sometimes _(go)to the park with his sister.play getsbrusheslooksgoesstudies一般现在时的句型转换一般现在时的句型转换陈述句改一般疑问句：陈述句改一般疑问句：2.2.当句中没有当句中没有bebe动词和情态动词时，在句首加动词和情态动词时，在句首加DoDo，主语是，主语是三单三单时加时加DoesDoes,动词变原形动词变原形。We have some dogs.Does Mike lik
10、e dogs?My father can swim.Can your father swim?1.1.当句中含当句中含bebe动词或情态动词时，将它们提到句首。动词或情态动词时，将它们提到句首。I am a girl.Are you a girl?Do you have any dogs?（第一人称变第二人称。通常（第一人称变第二人称。通常somesome变变anyany。）。）Mike likes dogs.特殊情况特殊情况：Id like some apples.Would you like some apples?Task4 Task4 将下列句子改为一般疑问句将下列句子改为一般疑问句M
11、y mother is a doctor,too.Mike can play football and basketball well.There are some apples and pears.I must go to school at seven.Is your mother a doctor,too?Can Mike play football and basketball well?Are there any apples and pears?Must you go to school at seven?一般现在时的句型转换一般现在时的句型转换陈述句改否定句：陈述句改否定句：2.
12、2.当句中没有当句中没有bebe动词和情态动词时，找到动词，动词和情态动词时，找到动词，在动词前面加在动词前面加dontdont，动，动词是三单形式时加词是三单形式时加doesnt,doesnt,动词变原形。动词变原形。We have some dogs.Mike doesnt like dogs.My father can swim.My father can not swim.1.1.当句中含当句中含bebe动词或情态动词时，动词或情态动词时，在它们后面加在它们后面加notnot。I am a student，too.I am not a student,either.We dont ha
13、ve any dogs.（somesome变变anyany，andand变变or,tooor,too变变eithereither）Mike likes dogs.My mother is a doctor,too.Mike can play football and basketball well.There are some apples and pears.I must go to school at seven.Task5 Task5 将下列句子改为否定句将下列句子改为否定句My mother isnt a doctor,either.Mike cant play football or basketball well.There arent any apples or pears.I neednt go to school at seven.Po,practice makes perfect.You did a good job today!
