一般现在时态

在英语中 每句话都包含一定的时态 要学好英语就必须掌握英语中一些常用的时态 在 英语中 不同时间发生的动作和情况 要用不同的动词形式表示 这种不同的时间和不同的动 词形式就叫做动词的时态 换句话说 判断一个句子的时态 可以通过句子中的时间和动 词的形态来判断 下面我就一般现在时作一些讲解 如有不妥之处 请指教 每种时态都 有三个最基本的要素 分别是该时态的概念 结构 判断标志词 一 一般现在时的概念 一般现在时表示现在经常反复发生的动作 存在的状态或习惯性的动作的时态 二 一般现在时的结构 有两类不同的结构 Be 动词的一般现在时 主语 be am is are 其它 肯定句式 主语 be am is are 其它 否定句式 主语 be am is are not 其它 一般疑问句 Be am is are 主语 其它 注 在这种构成中 be 动词有人称和数的变化 即要根据主语选用 am is are Be 动词分 为单数和复数 am 和 is 是表示单数 am 只跟 I 搭配 除了 I 其余的单数都用 is are 表 示复数 实义动词的一般现在时 主语 第三人称单数 动词 第三人称单数形式 其它 肯定句式 主语 第三人称单数 动词 第三人称单数形式 其它 否定句式 主语 第三人称单数 doesn t 动词 原形 其它 一般疑问句 Does 主语 第三人称单数 动词 原形 其它 主语 除了第三人称单数 动词 原形 其它 肯定句式 主语 除了第三人称单数 动词 原形 其它 否定句式 主语 除了第三人称单数 don t 动词 原形 其它 一般疑问句 Do 主语 除了第三人称单数 动词 原形 其它 注 do don t 和 does doesn t 是构成一般现在时的助动词 其特点是要在其后跟动词 的原形 三 一般现在时的判断标志词 often usually always sometimes at times once a day every 时间 四 动词的第三人称单数的构成规则和发音规则 1 一般在动词后直接加上 s 在清辅音后发音为 s 在浊辅音及元音后发音为 z 如 stop stops s make makes s read reads z play plays z 2 以 s x ch sh 结尾的 在词尾加 es 发音为 iz 如 teach teaches iz watch watches iz 3 以辅音字母加 y 结尾的 要先将 y 变为 i 然后在加 es 读 iz 如 fly flies z carry carries z study studies z worry worries z 4 以 o 结尾的动词 加 es 读 z 如 go goes z do does z 5 还有个别动词的第三人称单数是不规则的 例如 have has 注 请思考一下动词的第三人称变化与名词的复数有什么异同点 五 一般现在时的基本用法 1 经常性或习惯性的动作 常与表示频率的时间状语连用 例如 1 I leave home for school at 7 00 every morning 肯定句 I don t leave home for school at 7 00 every morning 否定句 Do you leave home for school at 7 00 every morning 一般疑问句 2 His father reads newspaper every day 肯定句 His father doesn t read newspaper every day 否定句 Does his father read newspaper every day 一般疑问句 2 客观真理 定理 规律 客观存在 科学事实 格言 例如 1 The earth moves around the sun 肯定句 The earth doesn t move around the sun 否定句 Does the earth move around the sun 一般疑问句 3 表示主语现在的性格 特征 能力 状态 往往是没有时间状语 She speaks English well 肯定句 She doesn t speak English well 否定句 Does she speak English well 一般疑问句 初中英语语法 一般现在时练习题 1 用动词的适当形式填空 1 I like swim 2 He read English every day 3 We go to school at seven in the morning 4 Mike go to school at seven in the morning 5 My mother like go shopping 6 I can draw many beautiful pictures 7 She make a model plane 8 Do you like run 9 Does he like jump 10 Does Nancy grow flowers on Saturday 11 The teachers like dance 12 The teacher like dance 13 The students speak English in class 14 The student speak Chinese after class 15 Let s and play football go 16 He like swimming not 17 I m sorry that hear 18 Wang Bing is write an E mail to his friend 19 He has a headache get 20 you study English at school Yes I do 21 your sister study English at school No she do 22 I m better feel 23 Why Tom absent today be 2 用所给的人称改写句子 1 I take photos on Sunday Mike 2 We grow beautiful flowers she 3 They like collecting stamps Ben 4 I listen to music carefully my aunt 5 You like making a model ship Helen 6 We clean the classroom every day he 7 They look after the pandas Mr Wang 8 I draw a tree and some flowers Nancy 9 We go to bed at eight my sister 10 I read newspapers in the evening Mr Green 二 用括号内动词的适当形式填空 1 He often have dinner at home 2 Daniel and Tommy be in Class One 3 We not watch TV on Monday 4 Nick not go to the zoo on Sunday 5 they like the World Cup 6 What they often do on Saturdays 7 your parents read newspapers every day 8 The girl teach us English on Sundays 9 She and I take a walk together every evening 10 There be some water in the bottle 11 Mike like cooking 12 They have the same hobby 13 My aunt look after her baby carefully 14 You always do your homework well 15 I be ill I m staying in bed 16 She go to school from Monday to Friday 17 Liu Tao do not like PE 18 The child often watch TV in the evening 19 Su Hai and Su Yang have eight lessons this term 20 What day be it today It s Saturday 21 We often play in the playground 22 He get up at six o clock 23 you brush your teeth every morning 24 What do he usually do after school 25 Danny study English Chinese math science and art at school 26 Mike sometimes go to the park with his sister 27 At eight at night she watch TV with her parents 28 Mike read English every day 29 How many lessons your classmate have on Monday 30 What time his mother do the housework 三 按照要求改写句子 1 Daniel watches TV every evening 改为否定句 2 I do my homework every day 改为一般疑问句 并作否定回答 3 She likes milk 改为一般疑问句 并作肯定回答 4 Amy likes playing computer games 改为一般疑问句 并作否定回答 5 We go to school every morning 改为否定句 6 He speaks English very well 改为否定句 7 I like taking photos in the park 对划线部分提问 8 John comes from Canada 对划线部分提问 9 She is always a good student 改为一般疑问句 作否定回答 10 Simon and Daniel like going skating 改为否定句 11 Do you often play football after school 肯定回答 12 I have many books 改为否定句 13 Gao Shan s sister likes playing table tennis 改为否定句 14 She lives in a small town near New York 改为一般疑问句 15 I watch TV every day 改为一般疑问句 16 David has got a goal 改为一般疑问句 17 We have four lessons 改为否定句 18 Nancy doesn t run fast 改为肯定句 19 My dog runs fast 否定句 一般疑问句 20 Mike has two letters f