一般现在时(精讲)课件.ppt

1、一般现在时一般现在时BonnieBonnie2023-1-31 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。2023-1-31 I dont want so much.我不想要太多。Wang An writes 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。2023-1-31基本

2、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2023-1-31一、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”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 spea

3、k 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2023-1-31三：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 every 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

4、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2023-1-31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-has am/are-is2023-1-31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 st

5、udents.3.I from Taizhou.4.She tall.5.Lucy and Lily good friends.6.Those chairs broken.7.The bag mine.isareamisareareis2023-1-31练练手练练手1.Jordan _(play)basketball.He _(not play)football.2.I _(go)swimming on Sunday.But I_(not go)shopping.3.My cousins _(enjoy)computer games.But they _(not enjoy)ball game

6、s.4.You _(like)fish.But he _(not like)fish.playsdoesnt playgodont goenjoydont enjoylikedoesnt like122023-1-31时间状语时间状语every系列系列 day year month week morning afternoon evening2023-1-31时间状语时间状语 seldomrarelysometimesoftenusuallyalwaysnever频率副词频率副词频率由高到低）always usually often sometimes Seldom never通常说来，alw

7、ays表示100%，usually表示80%，often表示60%，sometimes表示40%，seldom表示20%，never表示0%。2023-1-31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 time2023-1-31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 be

8、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 =wouldntwould not =wouldntwill no

9、t =wontwill not =wontshould not =shouldntshould not =shouldnt句型变换句型变换2023-1-31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（does not）read English e

10、very morning.句型变换句型变换2023-1-31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 be2023-1-31一般疑问句及肯定否定回答一般疑问句

11、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 am not.主语主语 +情态动词情态动词 +动词原形

12、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./No,she can not(cant).句型变换句型变换2023-1-31一般疑问句及肯定否定回答一般疑问句

13、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 +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,Y

14、es,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2023-1-31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.Shanghai.(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 Beijin

15、g.(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.Does Daniel enjoy playing computer games?Yes,he does.2023-1-31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1.My father_(list

16、en)to the radio every day.2.Mike_(study)in a middle school.3.She_(take)Eddie for a walk after supper.4.He_(wash)clothes with his hands.5.Simon _(pass)the ball to Daniel.6.Miss Li_(teach)Chinese.7.Look at the animal,it _ four legs.listenstakesstudieswashespassesteacheshas82023-1-31注意：注意：some、anyWhy n

17、ot 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.2023-1-31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

18、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.2023-1-31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.2023-1-31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.2023-1-31