一般现在时动词变化规律

doesn’t do
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 三单形式 。主语是非第三人称单数，行为 动词用 原形 。 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 does 在非正式行文中，do not和does not可以缩 写成don’t 和doesn’t. 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。
6.Tom_______(play) plays football every day.
Biblioteka Baidu
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’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 don’t. 2、He speaks English. 否定句：He does not /doesn’t speak English 一般疑问句：Does he speak English? 肯定回答：Yes, he does. 否定回答：No, he doesn’t. (注意蓝色和红色字体，总结规律。
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。
—things that are true now.目前存在的事实
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
句型转换： 1、把下面句子改成一般疑问句并做肯定 和否定回答。2、改为否定句。 • 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. I’m from Nanjing
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 doesn’t speak English. 4、情态动词 例句：We must go now. She can speak English.
• 总结规律： • 1.一般在词尾加-s，清辅音后读作[s]，浊辅音和 元音后读作[z]。如： 动词第三称单数：help(helps), play(plays) 2. 以s ,x ,ch ,sh结尾的词，在词尾加-es,原词尾 已有e，一般只加-s都读作[iz]。如：
动词第三人称单数：wash(washes), close(closes)
3. 以辅音字母加-y结尾的词，先变y为i，再加-es， 读作[iz]。如： 动词第三人称单数：fly(flies), study(studies)
写出下列行为动词的第三人称单数形式： 1.like--- likes 2.swim— swims 3.work— works 4.catch— catches 5.go---- goes 6.study— studies 7.worry— worries 8.have--- has 9.do--- does
用所给词的适当形式填空 go 1. I _______(go) swimming on Sunday.
2. My cousin_______(enjoy) computer enjoys games. 3. My parents__________(watch) TV. watch 4. Tom and Simon _______(like) fish. like swims 5. He ___________(swim)every day.
Grammar
一般现在时
(Simple Present Tense )
--行为动词的一般现在时
时态概念。
英语句子的时态是指在不同时 间里发生的动作或存在的状态，要 用动词的不同形式表示出来。
时态： 1、这种时态的用法。 （即何时用这种时态。 ） 2、这种时态的构成。
(一般现在时用法)
I have long hair. My hair is long.
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does. 在非正式行文中，do not和does not可以缩 写成don’t 和doesn’t. 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。
注意：我们用一般现在时进行表达时， 改错题：
1.I goes to school at six every day. go ____ ____ 2.He don’t like playing football. doesn’t 3. I am ____ watch TV every day. 去掉am ____ 4. Daming watchs TV in the evening. watches 5. Does he usually has ____ a party? have ____ music. 6. Our English doesn’t likes like _______________ 7. Tony goes always to school at eight o’clock.
不能同时使用be动词和行为动词
always goes
8. Does ____ your parents like watching TV? do 9. Lily haves lunch at school. ____ has ____ 10. My sister doesn’t her homework every .
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 .