1 英语24字整体教学
Period Four Grammar—Revise the Present
Perfect Continuous Tense
感知以下课文原句,完成方框下的小题
1.We have been excavating layers of ash almost six metres thick,which suggests that they might have kept the fire burning all winter. 2.Well,we’ve been finding the bones of tigers and bears in the caves,and we think these were their most dangerous enemies. 由句1和句2可以看出,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,或者刚刚结束,或者可能仍然要继续下去,其构成形式为:have/has been doing。
现在完成进行时的结构: 主语+have/has+been+v.-ing 一、用法
1.延续:表示开始于过去的活动持续到现在,该活动刚刚结束,或将继续持续下去。 I have been living in Hawaii for ten years. 我在夏威夷已经生活了十年。
She has been burning the midnight oil to prepare for GRE.她最近在熬夜准备研究生入学考试。 Tom has been playing the online games for more than twenty hours.汤姆玩网游已经超过二十个小时了。
What happened to you?Have you been crying? 你怎么了?你是不是一直在哭?
2.重复:到目前为止的一段时间内重复发生的活动。 He has been going to Seattle for half a year. 他在半年间经常去西雅图。
I have been telling you not to make trouble. 我一直劝你不要找麻烦。
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2 英语24字整体教学
The old man has been repairing cars for thirty years. 老人修车修了三十年了。
Jack has been practising tai chi for more than a year. 杰克练太极一年多了。
二、现在完成时和现在完成进行时的区别
1.现在完成时强调完成和影响;现在完成进行时强调未完成和动作。 He has painted the room.
他已经粉刷过房间了。(影响:墙壁是干净的) He has been painting the room. 他一直在粉刷房间。(还未粉刷完) I have thought it over.
我已经考虑过了。(影响:现在可以给出回复) I have been thinking it over.
我一直在考虑这件事。(还未考虑清楚)
2.现在完成时经常表单个事件;现在完成进行时可表重复事件。 Amy has gone to the library.埃米去图书馆了。 Amy has been going to the library for a year. 埃米在一年间经常去图书馆。 Tom has met the girl in the library again. 汤姆在图书馆再次遇到那个女孩。
Tom has been meeting the girl in the library lately. 汤姆近来经常在图书馆遇到那个女孩。
3.现在完成时陈述事实;现在完成进行时表感情色彩。 What have you done?你做什么了?(仅是问问)
I’ve been waiting more than 30 years to say this:“Dad,I always told you I’d come back and get my degree.”我已经等了30多年才得以说这句话:“老爸,我一直都在告诉你,我会回来拿到学位的。”(难以抑制的兴奋之情)
Where have you been?I have been waiting for you in the rain for two hours. 你去哪了?我在雨中等你两个小时了。(不满)
4.表重复时:现在完成时强调成果,讲次数;现在完成进行时强调持续,不讲次数。 I have sent thirty e-mails this morning. 我今天上午发了三十封电子邮件。 I have been sending e-mails this morning. 我今天上午一直在发电子邮件。
注意:(1)常用表状态、情感、感觉的动词:
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3 英语24字整体教学
①have,exist,know,belong to等;
②like,love,hate,believe,want,regret,prefer等;
③see,hear,smell,feel,taste等。不能用于现在完成进行时,但可用于现在完成时。 (2)副词never,yet,already,ever等可用于现在完成时,但不可用于现在完成进行时。
Ⅰ.单句语法填空
1.In recent years some Inuit people in Nunavut have reported(report) increases in bear sightings around human settlements,leading to a belief that populations are increasing.(2019·全国Ⅰ) 2.I love coming here and seeing my family and all the friends I have made(make) over the years.(2019·全国Ⅱ)
3.The musician along with his band members has given(give) ten performances in the last three months.(2019·江苏)
4.Since 2011,the country has grown(grow) more corn than rice.(2018·全国Ⅱ)
5.While regularly eating out seems to have become(become) common for many young people in recent years,it’s not without a cost.(2018·浙江)
6.Sarah has been told/was told(tell) that she could be Britain’s new supermodel,earning a million dollars in the next year.(2017·全国Ⅲ)
7.Dashan,who has been learning(learn)crosstalk,the Chinese comedic tradition,for decades,wants to mix it up with the Western stand-up tradition.(2016·江苏) 8.—Excuse me,which movie are you waiting for?
—The new Star Wars.We have been waiting(wait) here for more than two hours.(2016·北京) 9.Marty has been working(work) really hard on his book and he thinks he’ll have finished it by Friday.(2015·陕西)
10.—Where is Peter?I can’t find him anywhere.
—He went to the library after breakfast and has been writing(write) his essay there ever since.(2015·福建)
Ⅱ.单句改错(每小题仅有1处错误) 11.I
had
grown not only physically,but also mentally in the past few years. have
(2017·全国Ⅲ,短文改错)
12.The early morning barking baby.(2014·辽宁,短文改错)
13.Since then—for all these years—we
had
been allowing tomatoes to self-seed where they have
have
been disturbing us as we are often up all night with the has
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2021年春高中英语选修8 unit 5 Grammar—Revise the Present
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