现在完成时与一般过去时的区别

1、ThePresentTense，英语课件，1 .从过去的某个时候开始一直持续到现在的动作或工作，但是动作或工作现在结束了。eg: 1。someone has just turned off the light .有人刚把灯关掉了。2 .I have already finished my homework，我已经写完了。2 .表示从过去的某个时间点开始，延续到现在的动作或工作，但动作或工作仍然可以继续。eg: 1。I want to see how much the place changed since I saw it last。我想看看自上次见到那个地方以来发生了多大的变化。2 .I h

2、ave learnt English for more than ten years。我学了10多年英语。3 .表示一个人做过或从未见过的经历。eg: 1。have you ever been to the summar palace？你去过颐和园吗？2 .I have never had a car，我从没见过车。4 .现在完成时经常与文章This is the first time，Its the first time一起使用。eg: 1。this is the first time he has driven a car。这是他第一次开车。5 .现在完成的时候和最高级别一起使用的话，表示

3、到目前为止最多的东西。What a boring film！its the most boring film ive ever seen，多么无聊的电影啊！这是我看过的最无聊的电影。现在完成时间和一般过去时间的差异，第一单元已经说明了现在完成的情况，第一卷也说明了一般过去时间的主要用法。、现在区分这两种时态的用法，以便学生们更好地掌握和区分两者的不同用法。1 .现在完成的时候和一般过去都说过去的事，但是现在完成的时候要注意的不是事情本身，而是强调事情现在维持的任何密切关系(如现在的结果、影响、到现在为止继续等)。通常过去只是表示过去发生的行动和事情与现在无关。eg: 1。he has boug

4、ht an English-Chinese dictionary。他已经买了一本英汉词典。eg: 2。he bought an English-Chinese dictionary。他买了一本英汉词典。“he bought an English-Chinese dictionary . and he still has it”“过去他买了一本英汉词典，现在他有这本词典”的意思是现在时态。使用第二句的时候，只叙述了过去他买了一本英汉词典的事实，现在没有强调他是否有这本词典的说明。第二，当有表示过去特定时间的副词时，不必现在完成，一般的过去：eg: 1。I saw the film on tele

5、vision yesterday。但since(以后)叙述某个过去的时间或过去的事情，eg: 1。they have known each other since 1950。2 .since he was a child，he has lived in England Etc，EG : 1。the plane took off ten minutes ago，飞机10分钟前起飞了。eg : 2。we finished our task last week。上周完成了任务。4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4、4the weather h

6、as been hot so far this summer，到目前为止，今年夏天的天气一直很热。2 .I havent seen her yet。我还没见过她。5可以与当前完成时一起使用，也可以与常规过去时间一起使用的时间状语：for时间，this时间，不确定时间：ever，never，before，just，recently，alreade，2I learnt English for three years。我学了三年英语(现在不学了)。3 .I have written two letters this morning，今天早上我写了两封信。，4 .I wrote two letters

7、 this morning，今天早上我写了两封信。注意：表示不确定时间的副词，句子中没有其他特定的过去时间副词，或者没有表示过去动作的依存语的时候，经常和现在的完成一起使用。eg :1。I have not written to my parents recently。我最近没有给父母写信。2 .I have met him many times before。我以前见过他几次。目前正在完成的主要用法是持续一段时间，表示刚刚结束或正在继续的动作。、像现在完成的时候一样，现在完成的时候强调动作本身或动作的持续性、持续性。eg: 1。weve been looking for you every

8、where . where have you been？我们到处找你，你去了哪里？2 .What have you been doing？你在做什么？3 .ive been writing a laboratory report。我在写实验报告。、PART B:EXERCISES、1 .find the choice : 1。when I was at school，I _ _ _ _ _ _ _ to the library every day . a . go b . was going c . have goned . went 2 . the new books _ _ _ _ _ y

9、ouever _ _ _ _ _ _ to Shang hai . a . havent arrived b . hasnt arrived c . did ns 4。he _ _ _ _ _ _ _ _ _ his lunch . a . had b . have had c . has had . ate 5 . for years，Doctors _ _ _ _ _ _ _ _ _ _ _ _ _I was so happy to see John again last Sunday，We _ _ _ _ _ _ _ each other for more than two years

10、. a . havent seen b . hadnt seen c.learned c . has learned d . were having，8 . I _ _ _ _ _ _ _ to Paris several times . a . went b . have gone c . have been dhas live，10 .我的uncle _ _ _ _ in this city since 1980 . a . lives b . have lived c . has lived . lived 11。by now old Wang D b . worked c . work

11、s D . has worked，12 .基督教has become a worldwide religion(宗教)Sinceit _ _ _ almost two years ago . a . begin b . begins c . begins c . began d . has begin 13 . shakeinwhen we lived in phoenix we _ _ _ _ _ _ at Arizona state university . a . studied b . have studied c . study d . H ago but I _professorc

12、hen _ _ _ _ ourexamsyet . a . didnt mark b . hasnt marked c . will not mark d . havent marked 19.vebeen c . wasd . hasbeen 20 . I _ _ _ _ _ _ _ _ my task the other day . a . finished b . have finished c .2.choose the one that is wrong : 1。I lived in this city since I was a child . 2 . I lost my pen，

13、I have to write with a pencil . 3 . Hangzhou is the most beautiful city I saw . 4 . she has read thead，c，5。my class mates and I have visited the memorial hall of chairman Mao yesterday . 6 . my grandmother has lived with us since my grandfather Ears ago。7 .after breakfast she takes a walk to buy the morning paper she does this every morning for ten years . 8 . it was very hey But its beginning to get a bit coolsYes，I have，I went there last Sunday，3 .fill in the blanks for the