现在完成时复习课件

小结
比较have been to和have gone to
词组 have gone to
含义 到某地去了，表示 到了某地或正在去 某地的途中。说话 时该人不在现场 曾经去过某地，现 just, ever, 在已经不在那里了。 never
搭配
have been to
have been in
once, twice 在某地呆多长时间 since, for, how long
现在完成
八年级下册Unit9 Have you ever been to a museum?
复习目录
• 现在完成时态的概念 • 现在完成时态的结构 • 现在完成时态的句式 • 现在完成时态与一般过去式的比较 • 现在完成时态练习
step1.现在完成时的概念
1）表示过去发生或已完成的动作对现在造成 的影响或结果； I have already told them the story.
• ( D )3.We ____xiao hu since she was a little girl. • A know B had known C knew D have known • ( A )5. —How happy the grandparents are! • —Yes , they _____for 50 years. • A. have been married B. have married C. have got married D. married
一般过去时的时间状语: yesterday, last
week，…ago, in1990, in October, just now, …-- 具体的时间状语
现在完成时的时间状:already,yet,before,for,
since, so far, ever, never, just, recently, twice,three times, for+一段时间， since +时 间点等状语连用。 … --模糊的时间状语
源自文库
D
B
B
step 4.现在完成时与一般过去时的 比较
• 1）一般过去时表示过去某时发生的动作或
单纯叙述过去的事情，强调动作；
•
I saw this boy yesterday
• 2）现在完成时为过去发生的，强调过去的 事情对现在的影响，强调影响。
I have seen this boy.
• 2）一般过去时 常与具体的表示过去的时 间状语连用; • 现在完成时通常与模糊的时间状语连 用，或无时间状语。
• 现在完成时的构成：
• have/has + done
助动词 现在分词
• 注：动词的现在分词分为规则变化 与不规则变化.规则变化动词的现 在分词与过去式是一样的，不规则 变化的动词须特殊记忆。
step 3.现在完成时的句式
• 现在完成时的否定式直接在助动词have或has后 面加上not。 • 疑问句是把助动词提到主语之前。
2）表示一次或多次的动作已经成为自己的经历。 I have been to water park 3）表示过去已经开始并一直持续到现在的动作 或状态。 We have studied NO.10 middle school for more than 2 years.
step 2.现在完成时的结构
• ( B )1. —His grandfather _____ for two years? A died B has been dead C has died D has been died • ( c )2. Last year,Shenzhou-8 _____into space, It made us proud. • A. is sent B. was sent C. sent D. sends
have been to/in和have gone to 的对比例题
• 1. lucy has _____ to Beijing. She will come back tomorrow. • A. been B. never been • C. went D. gone • 2. Hello, this is Mr. Green speaking. Can I speak to Mr. Black? • -- Sorry. He ______ the Park. • A. has been to B. has gone to • C. went to D. will go to • 3. --____ you ever ____ to the US? • -- Yes, twice. • A. Have, gone B. Have, been • C, Do, go D. were, going
按要求变化句式 1. I have been to Shanghai before. (改为否定句) I have not been to Shanghai before. 2.I have got something important to do .(改为一般 疑问句） Have you got anything important to do? 3.Have you ever buy the subway?(做否定回答） No,I haven ’t
否定句 I have not (haven’t) studied…. 疑问句 Have I studied…?
You have not (haven’t) Have you studied…? studied…. He has not (hasn’t) studied…. Has he studied…?
• 注意：
–since和for的区别
• since后接时间点:如last term, yesterday, Monday, October“自从”…… • for后接一段时间:表示“长达多久”如ten短暂性 years, a while, two days等。 动词 (表示短暂意义的动词如buy, come, borrow, begin, die等，在完成时 中不能和表示一段时间的状语连用 而应变成相应的延续性动词）。