现在完成时复习ppt

当堂检测
一、句式变换：（5分,每空1分） 1. Jack has visited China before.(改为否定句） Jack hasn’t visited China before. 2. They have come into the classroom.(改为一般疑问句） Have they come into the classroom? 3. He has been here for 12 years.(划线提问） How long has he been here?
注意 : 对 for 或 since 引导的时间 how long 状语提问 必须用___________ 1. I have lived here for 10 years.
How long have you lived here? 2. She has stood here since 2 hours ago. How long has she stood here?
二、用所给词的正确形式填空: （3分，每空1分） 1. I has lived （live）here for ten years . 2. I lived （live）here in 1998. 3. He hasn’t returned (not return) the book yet. 三、判断正误：(2分，每题1分) 1.他爷爷已经去世三年了。 His grandpa has died for 3 years.( F) 2. 他去过北京。 He has gone to Beijing. (F )
since he came to 4.Mr Green has worked here ______ China.
for several years. 5.His grandpa has been dead ______
用动词的适当形式填空：
have done (do) my homework already. 1.I ________ has not finished 2.He _____________(not finish) his homework yet. have never ______ seen (see) this book 3.We ______ before. has just _______(clean) cleaned 5.Mother _____ the house. has visited 6.Sally __________(visit) China before.
Yes, they have.
3. 标志词：
already, yet, ever, never, just, before,
so far, up to now, in the past/ last few years(在过去/最近的几年里)，for+一段时 间，since+时间起点， recently, lately...
选用for和sinceFra Baidu bibliotek空:
for a long time. 1.We haven’t seen each other ______ since 10 years 2.His father has been in the Party ______ ago.
3.The film has been on ______ for 20 minutes.
1.for + 一段时间
for a week, for 3 years, for a long time, 2. since +时间起点 since+一段时间+ago since+从句(一般过去时) since 2 o’clock, since3 years ago, since I came here等
They said that they had stood for two hours.
Homework
写一段短文，用现在 完成时描述自己的一次 经历。（不少于60字）
Thank you
Bye-bye!
句式变换：
1. He has finished his homework.(变为否定句）
He hasn’t finished his homework.
2. They have visited China before.(变为一般疑 问句，并做肯定回答）
Have they visited China before?
Our slogan: He who has never been to the Great Wall isn’t a true man.
Revision
The Present Perfect Tense
现在完成时
现在完成时
1.定义： 1）表示过去发生的动作对现在造成 的影响和结果. 2）表示过去发生的动作,一直延续到 现在, 并且有可能继续延续下去. 2.构成： 主语+have/has + done
过去完成时
1.定义： 表示动作发生在过去的过去。
2.构成：
主语+ had+ done
He said, “I have finished my task.” He said that he had finished his
task
They said, “ we have stood for two hours.”
你能说出一般过去时和现在完成 时的区别吗？
一般过去时与现在完成时有一些明显的时间状语。 1.yesterday, last year, in+过去某一年，two days ago, just now等常用于一般过去时
2. already, yet, ever, never, just, before, so far, in the past/ last few years(在过去 /最近的几年里)，for+一段时间，since+时 间起点等常用现在完成时