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2020-2021学年Section A优质课ppt课件
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这是一份2020-2021学年Section A优质课ppt课件，共21页。PPT课件主要包含了Show Time，Grammar，现在完成时，即学即练，since，for，Group work等内容，欢迎下载使用。
Let’s have a yard sale!
Grammar Fcus
1. 那边的那辆自行车你买了多长时间了？ 我买了3年了。2. 他的儿子拥有那套轨道火车多长时间了？ 自他四岁生日起，他就拥有它了。3. 你曾经踢过足球吗？ 是的，我很小的时候踢过，但我现在已经有一段时间 不踢了。
Hw lng have yu had that bike ver there?I’ve had it fr three years.
Hw lng has his sn wned the train and railway set？He’s wned it since his furth birthday.
Have yu ever played ftball?Yes, I did when I was little, but I haven’t played fr awhile nw.
表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如fr与since引导的时间状语。
Present Perfect Tense
fr与 since都能与现在完成时连用，但区别较大：
(3) 二者可以转换: fr+一段时间 = since+一段时间+ag
He has studied English since 2000.
He has studied English fr five years.
e.g. 他已经学习英语5年了。
(1) fr + 一段时间
e.g. 自2000年以来他一直在学习英语。
(2) since + 过去时间点
/ since five years ag
e.g. 从我6岁起，我就拥有了这辆自行车。
I have had this bike since I was six years ld.
(4) since能引导时间状语从句 (主句用现在完成时，从句用一般过去时)，而fr则不能。
fr 和 since 在现在完成时中的应用
含有fr，since的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在， fr / since 把时间带。
选择fr或since填空：1. I have been here _____ five mnths ag.2. He has been a sldier ____ abut tw mnths.3. Great changes have taken place _____ yu left.4. His grandpa has been dead ____ ten years.5. I have studied English ______ I was 12 years ld.
1. Jim is in Japan. He arrived there three days ag. _____________________________________2. They are very hungry. Their last meal was ten hurs ag. _____________________________________
4a Rewrite the sentences using fr r since.
Jim has been in Japan fr three days.
They have been hungry fr ten hurs. /since ten hurs ag
have been in +地点 “在...待了多长时间了”
3. I have a camera. I bught it in 2009. __________________________________4. I knw Anna. I first met her three years ag. __________________________________5. Linda is ill. She became ill n Mnday. ___________________________________
I have had a camera since 2009.
I have knwn Anna fr three years. / since three years ag
Linda has been ill since Mnday .
1. I ______________ (never be) t the water park befre. I want t ___ (g) next mnth befre the weather gets t cld.2. They ________________ (never wn) any pets, but they ___________ (always want) t have a dg.3. We_________ (have) a pian since last Nvember. We ________ (buy) it frm the Li family when they mved t the US last year.4. Cathy and Amy ____________ (nt be) back t their hmetwn fr tw years. They ______ (miss) their hmetwn a lt and hpe t visit the place next year.5. This museum _________ (be) here fr ver 20 years. It ____ (be) ne f the ldest buildings in this small twn.
4b Fill in the blanks with the crrect frms f the verbs in brackets.
have never been
have never wned
always want
haven’t been
一般过去时与现在完成时的区别
一般过去时只强调过去的动作；现在 完成时强调过去的事情对现在的影响。 一般过去时通常与表示过去的时间状 语连用；现在完成时则不能与表示过 去的时间状语连用。 一般过去时单纯表示过去的经历；现 在完成时表示过去的动作或状态延续 到现在并可能持续下去。
4c Fill in the questins and ask tw students. Then cmplete the chart.
1. D yu have a (n)_________? Hw lng have yu had it?2. D yu wn a (n)__________? Hw lng have yu wned it?
Yu can make a reprt like this:In ur grup, Tny has had a favrite bk fr tw years and he als has had a basketball since he was 10 years ld ...
Happiness isn’t getting all yu want. It’s enjying all yu have.幸福不是得到你想要的一切,而是享受你所拥有的一切。
The rses in her hand; the flavr in mine!赠人玫瑰，手有余香。
The Best Grup
用括号内所给单词的适当形式填空：1. I (be) at wrk since eight ’clck, but I’m ging t leave sn.2. We (be) n hliday last week.3. I (wait) at the restaurant fr an hur, and then I left.4. We must get a new car. We (have) this ne fr ten years.5. I’m a vegetarian. I (nt eat) meat since I was a teenager.
Let’s have a yard sale!
Grammar Fcus
1. 那边的那辆自行车你买了多长时间了？ 我买了3年了。2. 他的儿子拥有那套轨道火车多长时间了？ 自他四岁生日起，他就拥有它了。3. 你曾经踢过足球吗？ 是的，我很小的时候踢过，但我现在已经有一段时间 不踢了。
Hw lng have yu had that bike ver there?I’ve had it fr three years.
Hw lng has his sn wned the train and railway set？He’s wned it since his furth birthday.
Have yu ever played ftball?Yes, I did when I was little, but I haven’t played fr awhile nw.
表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如fr与since引导的时间状语。
Present Perfect Tense
fr与 since都能与现在完成时连用，但区别较大：
(3) 二者可以转换: fr+一段时间 = since+一段时间+ag
He has studied English since 2000.
He has studied English fr five years.
e.g. 他已经学习英语5年了。
(1) fr + 一段时间
e.g. 自2000年以来他一直在学习英语。
(2) since + 过去时间点
/ since five years ag
e.g. 从我6岁起，我就拥有了这辆自行车。
I have had this bike since I was six years ld.
(4) since能引导时间状语从句 (主句用现在完成时，从句用一般过去时)，而fr则不能。
fr 和 since 在现在完成时中的应用
含有fr，since的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在， fr / since 把时间带。
选择fr或since填空：1. I have been here _____ five mnths ag.2. He has been a sldier ____ abut tw mnths.3. Great changes have taken place _____ yu left.4. His grandpa has been dead ____ ten years.5. I have studied English ______ I was 12 years ld.
1. Jim is in Japan. He arrived there three days ag. _____________________________________2. They are very hungry. Their last meal was ten hurs ag. _____________________________________
4a Rewrite the sentences using fr r since.
Jim has been in Japan fr three days.
They have been hungry fr ten hurs. /since ten hurs ag
have been in +地点 “在...待了多长时间了”
3. I have a camera. I bught it in 2009. __________________________________4. I knw Anna. I first met her three years ag. __________________________________5. Linda is ill. She became ill n Mnday. ___________________________________
I have had a camera since 2009.
I have knwn Anna fr three years. / since three years ag
Linda has been ill since Mnday .
1. I ______________ (never be) t the water park befre. I want t ___ (g) next mnth befre the weather gets t cld.2. They ________________ (never wn) any pets, but they ___________ (always want) t have a dg.3. We_________ (have) a pian since last Nvember. We ________ (buy) it frm the Li family when they mved t the US last year.4. Cathy and Amy ____________ (nt be) back t their hmetwn fr tw years. They ______ (miss) their hmetwn a lt and hpe t visit the place next year.5. This museum _________ (be) here fr ver 20 years. It ____ (be) ne f the ldest buildings in this small twn.
4b Fill in the blanks with the crrect frms f the verbs in brackets.
have never been
have never wned
always want
haven’t been
一般过去时与现在完成时的区别
一般过去时只强调过去的动作；现在 完成时强调过去的事情对现在的影响。 一般过去时通常与表示过去的时间状 语连用；现在完成时则不能与表示过 去的时间状语连用。 一般过去时单纯表示过去的经历；现 在完成时表示过去的动作或状态延续 到现在并可能持续下去。
4c Fill in the questins and ask tw students. Then cmplete the chart.
1. D yu have a (n)_________? Hw lng have yu had it?2. D yu wn a (n)__________? Hw lng have yu wned it?
Yu can make a reprt like this:In ur grup, Tny has had a favrite bk fr tw years and he als has had a basketball since he was 10 years ld ...
Happiness isn’t getting all yu want. It’s enjying all yu have.幸福不是得到你想要的一切,而是享受你所拥有的一切。
The rses in her hand; the flavr in mine!赠人玫瑰，手有余香。
The Best Grup
用括号内所给单词的适当形式填空：1. I (be) at wrk since eight ’clck, but I’m ging t leave sn.2. We (be) n hliday last week.3. I (wait) at the restaurant fr an hur, and then I left.4. We must get a new car. We (have) this ne fr ten years.5. I’m a vegetarian. I (nt eat) meat since I was a teenager.
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