一般现在时精讲课件.ppt

1、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 writes good English but doe

2、snt 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。基本结构基本结构一、系动词一、系动词bebe的一般现在时的一般现在时二、情态动词的一般现在时二、情态动词的一般现在时三、实义（行为）动词的一般现在时三、实义（行为）动词的一般现在时一、系动词一、系动词bebe的一般现在时的一般现在时主语主语 + be(am, is, are) + + be(am, is, are) + 其他其他The girl is my friend.主语为单数时主语为单数时isis主语为复数时主语为复数时areare主语为主语为“I”

3、I”时时amam二：情态动词的一般现在时二：情态动词的一般现在时主语主语 + + 情态动词情态动词 + + 动词原形动词原形+ +其他其他 She can speak English. She can speak English.注意：情态动词后的动词一定要用原形注意：情态动词后的动词一定要用原形基本结构基本结构三：行为动词的一般现在时三：行为动词的一般现在时主语主语 + + 行为动词行为动词 + + 其他其他These boys like playing football. These boys like playing football. The girl reads English ev

4、ery morning.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成动词单数形式基本结构基本结构动词变单三规则动词变单三规则1.一般情况下，直接加一般情况下，直接加-s，如：，如：cook-cooks2.以以s. x. sh. ch. o结尾结尾,加加-es,如：如：guess-guesses, watch-watches3.以以“辅音字母辅音字母+y结尾，结尾，变变y为为i，再加，再加-es,如：如：study-studies4.不规则变化不规则变化 have-h

5、as am/are-is练一练练一练用用be动词适当形式填空动词适当形式填空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.isareamisareareis练练手练练手1. Jordan _(play) basketball. He _(not play) football.2. I _(go) swimming on Sunday. But I_ (not go) shoppi

6、ng.3. My cousins _(enjoy) computer games. But they _(not enjoy) ball games.4. You _(like) fish. But he _(not like) fish.playsdoesnt playgodont goenjoydont enjoylikedoesnt like12时间状语时间状语every系列系列 day year month week morning afternoon evening时间状语时间状语 never频率副词频率副词频率由高到低）always usually often sometimes

7、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%。时间状语时间状语一次一次once两次两次 twice三次三次 three times一周两次一周两次 twice a week每周四次每周四次 four times a week每周六每周六 on Saturdays每周日每周日 on Sundays现在现在 now时不时时不时 from time to time否定句否定句主语主语+be+be+其他其他主语主语+be+not+be+not+其他其他 有有 be b

8、e 否否be, be, 有情否情有情否情, ,无情无无情无 be be 否助动否助动(do/does(do/does）is not =isntis not =isntam not=m notam not=m notare not=arentare not=arent主语主语 + + 情态动词情态动词 + not + + not + 动词原形动词原形 + + 其他其他can not =cantcan not =cantcould not =couldntcould not =couldntmust not =mustntmust not =mustntwould not =wouldntwoul

9、d not =wouldntwill not = wontwill not = wontshould not =shouldntshould not =shouldnt句型变换句型变换否定句否定句主语主语+实义动词实义动词+其他其他主语主语 + 助动词（助动词（do/does）+not +行为动词原形行为动词原形 + 其其他他These boys like playing football.These boys dont（do not） like playing football.The girl reads English every morning.The girl doesnt （doe

10、s not）read English every morning.句型变换句型变换练练手练练手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 be) right.isntarentam notisntarentcant speakshouldnt be一般疑问句

11、及肯定否定回答一般疑问句及肯定否定回答 有有 be be 提提 be, be, 有情提情有情提情, ,无无情无情无 be be 找兄弟找兄弟(do/does), (do/does), 借了兄弟把动词打回原形借了兄弟把动词打回原形 主语主语+be+be+其他其他 Be+Be+主语主语+ +其他其他? ? 肯否回答：肯否回答：YesYes，主语，主语+be./No+be./No，主语，主语+be+not.+be+not.I am a nurse now.I am a nurse now. Are you a nurseYes, I am./No, I am not.Yes, I am./No, I

12、 am not.主语主语 + + 情态动词情态动词 + + 动词原形动词原形 + + 其他其他情态动词情态动词+ +主语主语+ +动词动词原形原形+ +其他其他? ?肯否回答：肯否回答：YesYes，主语，主语+ +情态动词情态动词./No./No，主语，主语+ +情态动词情态动词+not.+not.Bonnie can speak French. Bonnie can speak French. Can Bonnie speak French.Can Bonnie speak French.Yes, she can./No, she can not(cant).Yes, she can./N

13、o, she can not(cant).句型变换句型变换一般疑问句及肯定否定回答一般疑问句及肯定否定回答主语主语+be+be+其他其他 Be+Be+主语主语+ +其他其他? ? 肯否回答：肯否回答：YesYes，主语，主语+be./No+be./No，主语，主语+be+not.+be+not.主语主语 + + 情态动词情态动词 + + 动词原形动词原形 + + 其他其他情态动词情态动词+ +主语主语+ +动词动词原形原形+ +其他其他? ?肯否回答：肯否回答：YesYes，主语，主语+ +情态动词情态动词./No./No，主语，主语+ +情态动词情态动词+not.+not.主语主语 + +

14、行为动词行为动词 + + 其他其他助动词（助动词（do/doesdo/does） + + 主语主语 + + 动动词原形词原形 + + 其它？其它？ 肯否回答：肯否回答：Yes, Yes, 主语主语+ do/does./No, + do/does./No, 主语主语+do not/does not.+do not/does not.助动词也常用缩写形式，主要有助动词也常用缩写形式，主要有dontdont，doesnt doesnt 句型变换句型变换练练手之句型转换练练手之句型转换1.Mr. Green comes fromMr. Green comes from Shanghai.Shangha

15、i. ( (改为一般疑问句改为一般疑问句) )2.Millie lives in a flat in Beijing.2.Millie lives in a flat in Beijing. ( (改为否定句改为否定句) )3.Daniel enjoys playing computer games.3.Daniel enjoys playing computer games. ( (改为一般疑问句并做肯定回答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.Doe

16、s Daniel enjoy playing computer games?Yes, he does.练练手之用动词的适当形式填空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

17、animal, it _ four legs.listenstakesstudieswashespassesteacheshas8注意：注意：some、anyWhy not buy some apples? 为什么不买些苹果呢为什么不买些苹果呢? Would you like some more apples? 你要不要再吃点苹果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，注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成可用于疑问句，不用变成any.注意：注意：some、anyWhy not buy some apples? 为什么不买些苹果呢为什么不买些苹果

18、呢? Would you like some more apples? 你要不要再吃点苹果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，注意：在表示建议或希望得到肯定回答时，some可用于疑问句，不用变成可用于疑问句，不用变成any.注意：注意：and or变否定句时，变否定句时，and要变成要变成orThere is some air and water on the moon. There isnt any air or water on the moon. He has some brothers and sisters. He doesnt have any brothers or sisters.注意：注意：tootoo要改为要改为eithereither在否定句当中，在否定句当中，tootoo要改为要改为eithereitherI like eating apples, too.I dont like eating apples, either.