一般现在时(精讲)

1、,一般现在时Bonnie,I always get up at six in the morning. Tony leaves home for school at 7:00 every morning. 定义一： 1. 表示经常的或习惯性的动作，常与表示频率的时间状语连用。,The earth moves around the sun. Zhengzhou lies in the middle of China. Pride goes before a fall. 定义二： 陈述客观真理，客观存在，科学事实。, I dont want so much.我不想要太多。 Wang An writ

2、es good English but doesnt speak well.王安英语写得很好但是说的不好 定义三：描述主语的状态、性质、特征、能力等，目的是为了“描述现阶段的动作或者状态。,基本结构 一、系动词be的一般现在时 二、情态动词的一般现在时 三、实义（行为）动词的一般现在时,一、系动词be的一般现在时 主语 + be(am, is, are) + 其他 The girl is my friend. 主语为单数时is 主语为复数时are 主语为“I”时am 二：情态动词的一般现在时 主语 + 情态动词 + 动词原形+其他 She can speak English. 注意：情态动词后

3、的动词一定要用原形,基本结构,三：行为动词的一般现在时 主语 + 行为动词 + 其他 These boys like playing football. The girl reads English every morning. 注意：当主语为第三人称单数时，行为动词要变成动词单数形式,基本结构,动词变单三规则,1.一般情况下，直接加-s，如：cook-cooks 2.以s. x. sh. ch. o结尾,加-es,如：guess-guesses, watch-watches 3.以“辅音字母+y结尾，变y为i，再加-es,如：study-studies 4.不规则变化 have-has am

4、/are-is,练一练,用be动词适当形式填空 1.Kitty an English girl. 2.We students. 3.I from Taizhou. 4.She tall. 5.Lucy and Lily good friends. 6.Those chairs broken. 7.The bag mine.,is,are,am,is,are,are,is,练练手,1. Jordan _(play) basketball. He _(not play) football. 2. I _(go) swimming on Sunday. But I_ (not go) shoppin

5、g. 3. My cousins _(enjoy) computer games. But they _(not enjoy) ball games. 4. You _(like) fish. But he _(not like) fish.,plays,doesnt play,go,dont go,enjoy,dont enjoy,like,doesnt like,12,时间状语,every系列,day year month week morning afternoon evening,时间状语,never,频率副词,频率由高到低）always usually often sometimes

6、 Seldom never 通常说来，always表示100%，usually表示80%，often表示60%，sometimes表示40%，seldom表示20%，never表示0%。,时间状语,一次once两次 twice 三次 three times 一周两次 twice a week 每周四次 four times a week 每周六 on Saturdays 每周日 on Sundays 现在 now 时不时 from time to time ,否定句 主语+be+其他主语+be+not+其他 有 be 否be, 有情否情,无情无 be 否助动(do/does）is not =i

7、snt am not=m not are not=arent 主语 + 情态动词 + not + 动词原形 + 其他 can not =cant could not =couldnt must not =mustnt would not =wouldnt will not = wont should not =shouldnt,句型变换,否定句 主语+实义动词+其他主语 + 助动词（do/does）+not +行为动词原形 + 其他 These boys like playing football. These boys dont（do not） like playing football.

8、The girl reads English every morning. The girl doesnt （does not）read English every morning.,句型变换,练练手,1.Kitty (be not) an English girl. 2.We ( be not) students. 3.I (be not) from Taizhou. 4.She (be not) tall. 5.Lucy and Lily （be not）good friends. 6. She_(can not speak) English. 7. They _(should not b

9、e) right.,isnt,arent,am not,isnt,arent,cant speak,shouldnt be,一般疑问句及肯定否定回答 有 be 提 be, 有情提情,无情无 be 找兄弟(do/does), 借了兄弟把动词打回原形 主语+be+其他 Be+主语+其他? 肯否回答：Yes，主语+be./No，主语+be+not. I am a nurse now. Are you a nurse Yes, I am./No, I am not. 主语 + 情态动词 + 动词原形 + 其他情态动词+主语+动词原形+其他? 肯否回答：Yes，主语+情态动词./No，主语+情态动词+n

10、ot. Bonnie can speak French. Can Bonnie speak French. Yes, she can./No, she can not(cant).,句型变换,一般疑问句及肯定否定回答 主语+be+其他 Be+主语+其他? 肯否回答：Yes，主语+be./No，主语+be+not. 主语 + 情态动词 + 动词原形 + 其他情态动词+主语+动词原形+其他? 肯否回答：Yes，主语+情态动词./No，主语+情态动词+not. 主语 + 行为动词 + 其他助动词（do/does） + 主语 + 动词原形 + 其它？ 肯否回答：Yes, 主语+ do/does./No

11、, 主语+do not/does not. 助动词也常用缩写形式，主要有dont，doesnt,句型变换,练练手之句型转换,1.Mr. Green comes from Shanghai. (改为一般疑问句) 2.Millie lives in a flat in Beijing. (改为否定句) 3.Daniel enjoys playing computer games. (改为一般疑问句并做肯定回答),Does Mr. Green come from Shanghai?,Millie doesnt live in a flat in Beijing.,Does Daniel enjoy

12、playing computer games? Yes, he does.,练练手之用动词的适当形式填空,My father_(listen) to the radio every day. Mike_ (study) in a middle school. She_(take) Eddie for a walk after supper. He_(wash) clothes with his hands. Simon _ (pass) the ball to Daniel. Miss Li_ (teach) Chinese. Look at the animal, it _ four leg

13、s.,listens,takes,studies,washes,passes,teaches,has,8,注意：some、any,Why not buy some apples? 为什么不买些苹果呢? Would you like some more apples? 你要不要再吃点苹果? 注意：在表示建议或希望得到肯定回答时， some可用于疑问句，不用变成any.,注意：some、any,Why not buy some apples? 为什么不买些苹果呢? Would you like some more apples? 你要不要再吃点苹果? 注意：在表示建议或希望得到肯定回答时， some可用于疑问句，不用变成any.,注意：and or,变否定句时，and要变成or There is some air and water on the moon. Ther