(共19张PPT)
英语语法微学习(选择性必修第三册:第1课时)
年 级:高二年级
学 科:英语(人教版)
The Usage of Present Perfect Continuous Tense
(现在完成进行时的用法)
Can you describe the pictures below
什么时候复课?好想念我的小伙伴...
Look and say
Mary and her classmates have been taking online courses since last winter break.
什么时候复课?好想念我的小伙伴...
Mary has been looking forward to the end of the epidemic and she can go back to school to study.
Look and say
Look, think and learn
Mary and her classmates have been taking online courses since last winter break.
Mary has been looking forward to the end of the epidemic and she can go back to school to study.
请观察两个句子的时态,并推断have/has been doing的用法
现在完成进行时:表示动作从过去某一时间开始一直持续到现在,可能刚刚停止,也可能仍在继续。构成通常为:have/has been doing
肯定句:主语 + have/has + been + 现在分词...
否定句:主语 + have/has + not + been + 现在分词...
疑问句:Have/Has + 主语 + been + 现在分词...
疑问代词/ 疑问副词 + have/has +(主语 +)been + 现在分词...
Look, think and learn
1. He has been watching TV for three hours, and he is still watching now.
他已经连续看了三个小时电视,现在还在看。
2. I have been doing my homework the whole morning.
我一整个早上都在做作业。
3. His brother has been writing this novel since last year.
他哥哥从去年起就一直在写这本小说。
一、表示动作从过去某时开始,一直延续到现在,并有可能持续下去。
现在完成进行时常和all this time, this week, this month, all night, all the morning, recently 等状语以及since和for引导的状语连用。
Look, think and learn
1. Where have you been I have been waiting for you for a long time.
你刚刚去哪儿了?我等了你好久。
2. My clothes are all wet. I’ve been working in the rain.
我衣服全湿了。我刚刚一直在雨中工作。
二、表示动作发生在过去,到现在刚刚结束。
Look, think and learn
1. Jack has been phoning Jane every night for the week.
Jack一周来一直给Jane打电话。
2. I have been telling you not to make trouble.
我一直劝你不要找麻烦。
3. My mother has been practising Tai Chi for more than a year.
我妈妈练太极一年多了。
三、表示从过去到现在的一段时间反复进行的动作或存在的状态,动作并不是一直不停地进行。
Look, think and learn
1. Tom has always been working hard.
2. You have been coughing a lot lately!
3. What have you been doing to my dictionary
四、表达感概、赞许、不满等感彩,使语言表达更生动。
赞许
关切
不满
Compare and find
现在完成进行时与现在完成时的区别
He has been writing a novel, which will be finished next month.
He has written a novel, which is being prepared to come out now.
① ___________________强调动作未完成 (一直);而______________ 强调动作已经结束 (已经)。
have/has been doing
have/has done
I have been visiting my hometown recently, and it impresses me differently each time.
I have visited my hometown recently, whose changes have left a deep impression on me.
② ___________________强调动作的重复,______________可以表示一次性动作。
have/has been doing
have/has done
The repairman has been repairing the car all the afternoon.
The repairman has repaired your car, and you can have it now.
③ ___________________只强调动作行为本身,而______________ 强调动作行为的结果、影响。
have/has been doing
have/has done
Where have you been We have been looking for you everywhere.
We have looked for him, but haven’t found him.
④ __________________表示一种感彩;____________则陈述一种事实。
have/has been doing
have/has done
Compare and find
现在完成进行时与现在完成时的区别
现在完成进行时 现在完成时
强调过去的动作对现在的影响或产生的结果
强调动作的延续性
强调动作重复
表达生动,含有感彩
说明一个事实、一种影响或结果
√
√
√
√
√
Compare and find
现在完成进行时与现在完成时的区别
状态动词:be, have, exist;
情感动词:like, love, hate;
感观动词:see, hear, know, feel, sound;
短暂性动词:finish, marry, get up, come, go等。
I have known him for years.
I have been knowing him for years.
They have finished the work.
They have been finishing the work.
Compare and find
有些动词不能用于现在完成进行时,但可用于现在完成时:
Summary
Practice1
阅读下列情境,请用现在完成进行时改写句子,并体会其功能。
1. I started to do my homework early in the morning. Now I just want to watch TV.
→ I have been doing my homework the whole morning. Now I just want to watch TV.
2. David lived in China ten years ago, and now he speaks fluent Chinese.
→ David has been living in China for ten years, and now he speaks fluent Chinese.
3. I haven’t got much sleep these days because I am worried about the upcoming exams.
→ I haven’t been sleeping well these days because I am worried about the upcoming exams.
4. Tom started to play piano at the age of five. And now he is a famous pianist in the world.
→ Tom has been playing piano since he was five. And now he is a famous pianist in the world.
5. The car is shiny and clean. Father has cleaned it.
→ The car is shiny and clean. Father has been cleaning it.
6. Someone has stolen my snacks recently. I have been lost four packs of snacks!
→ Someone has been stealing my snacks recently. I have been lost four packs of snacks!
Practice2
结合句意,填入动词的适当形式,并说明其功能。
1. A retired engineer, 76-year-old Wilson __________________ (offer) free rides to college students for the past eight years.
2. - You are a great swimmer.
- Thanks. It’s because I ___________________ (practise) a lot these days.
3. You know, I __________________ (look) for a job since my graduation, and this is my first formal interview.
4. So far this year we ___________ (see) a fall in house prices by between 5 and 10 percent.
5. He is the most creative man that I _____________ (meet).
6. He _________________ (listen) to English programs for half a year, so he ____________ (make) great progress.
have been practising
have been looking
have seen
have met
has been offering
has been listening
has made
Practice3
请运用现在完成进行时,描写你的网课经历,字数约50词。
My classmates and I have been taking online courses at home since last winter break and we have finished learning two books. I have been looking forward to the end of the epidemic so that I can go back to school. The transmission of the epidemic has been declining recently so the day of school I have been longing for is coming. Hardly can you imagine how excited I am to see the students and teachers I have been missing again!
1. Complete the composition about your experience of taking online courses using present perfect continuous tense.
2. Finish the exercises on your worksheet.