七年级英语一般现在时.ppt
Grammar一般现在时(Simple Present Tense)-行为动词的一般现在时,1.肯定句2.否定句3.一般疑问句及肯定与否定回答4.特殊疑问句注意:第三人称单数的用法。,语法要点:一般现在时,(一般现在时用法),I have long hair.My hair is long.,Simon plays football after school.,things that we do regularly.经常做的事,Cats eat fish.,things that are always true.客观存在的事实,things that are true now.目前存在的事实,一.当我们谈论以下几种情况时,用一般现在时：1.表示现在存在的状态;2.表示经常性、习惯性的动作;3.表示客观事实或普遍真理。句中常用always,usually,often,sometimes,seldom,never,every day，in the morning等时间状语。,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 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,行为动词的一般现在时的构成：（看例句并总结规律，注意观察红色和蓝色字体。）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 football every day.总结规律：,当主语是第一、第二人称和第三人称复数时，行为动词使用其原形。当主语是第三人称单数时，行为动词使用其第三人称单数形式。行为动词一般现在时的第三人称单数形式,How to add“s”“es”to the verbs,7,walks,lives,flies,studies,misses,watches,finishes,fixes,does,goes,写出下列行为动词的第三人称单数形式：1.like-2.swim 3.work4.catch 5.go-6.study7.worry 8.have-9.do-,likes,swims,works,catches,goes,studies,worries,has,does,1.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.,go,watch,like,swims,plays,enjoys,用所给词的适当形式填空,7.I often _ football at weekends.(play)8.Simons father often _ football games on TV.(watch)9.Millie _ books at home.(read)10.Kittys parents often _ shopping on Saturdays.(go)11.Amy with her father _ swimming on weekends.(go)12.Sandy _ English in her free time.(study)13.Amy and Simon _ to play football in the next World Cup.(want)14.We _ listening to music.(like),play,watches,reads,go,goes,studies,want,like,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/dont 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构成：否定句：在行为动词前加do not或does not,当主语是第三人称单数时，助动词用doesnt.在非正式行文中，do not和does not可以缩写成dont 和doesnt.一般疑问句：在句首加助动词Do和Does,当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，助动词之后的行为动词均用原形。,改错题：1.I goes to school at six every day.2.He dont like playing football.3.I am watch TV 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.,_,_,_,_,_,_,_,_,_,go,doesnt,去掉am,watches,have,like,always goes,_,do,has,doesnt do,注意：我们用一般现在时进行表达时，不能同时使用be动词和行为动词,行为动词一般现在时的构成：（小结）,肯定句：当主语是第三人称单数时，行为动词用。主语是非第三人称单数，行为动词用。否定句：在行为动词前加,当主语是第三人称单数时，助动词用注意:do not=dont,does not=doesnt.一般疑问句：在句首加助动词,当主语是第三人称单数时，助动词用.注意：在疑问句和否定句中，助动词之后的行为动词均用。,三单形式,原形,do not或does not,doesnt,Do和Does,Does,原形,动词的种类：1、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.I listen to the radio every day She has a sister.We like playing football.2、连系动词 例句：He is ten years old.I feel happy.3、助动词 例句：Do you have a sister?He doesnt speak English.4、情态动词 例句：We must go now.She can speak English.,
