-2023届高三英语二轮复习时态:现在完成时、过去完成时课件(36张)

文档属性

名称 -2023届高三英语二轮复习时态:现在完成时、过去完成时课件(36张)
格式 pptx
文件大小 2.0MB
资源类型 教案
版本资源 通用版
科目 英语
更新时间 2022-09-20 14:58:58

图片预览

文档简介

(共36张PPT)
时态(完成时)
目录
1、现在完成时
2、过去完成时
3、常使用完成时的句型
4、练习
一、现在完成时
1、定义
(1)动作或过程发生在某个没有明确说出的过去时间,但现在已经完成,且其结果对现在仍有影响
I have just drunk a glass of juice.
→ I don’t want to drink anything now.
But I haven’t had dinner yet.
→ I am hungry now.
影响:现在不渴了,不想喝
影响:现在饿了
just
yet
ever曾经
never从不
once; twice 次数
so far 到目前为止
recently 最近
in the last few days 在过去几天
Has Li Jianjian ever had hot-pot
Li Jianjian has never had hot-pot.
Li Jianjian has had hot-pot recently.
Li Jianjian has had hot-pot so far.
Li Jianjian has had hot-pot twice.
Li Jianjian has had hot-pot in the last few days.
ever
never
recently
so far
twice
in the last few days
时间标志词(1)
lately近来 recently最近
once; twice 次数 so far到目前为止
by now到现在 upon/ till now直到现在
in the last/ past few days/ years在过去的几天/几年里
just 刚刚 already 已经
yet 还;已经
1、定义
(2)从过去开始一直持续到现在的动作或状态,可能还会继续进行下去
时间标志词(2)
since+时间点 / 从句(一般过去时)
for+段时间
●His first novel has received good reviews since it came out last month.
他的首部小说自上个月出版以来获得了许多好评。
●He has taught Chinese for more than 20 years. 他教中文已有20多年了。
2、结 构
have/has + done (过去分词)
3、过去分词
规则变化
规则 动词 原形 过去式 过去分词
直+ed
去e+ed
双+ed
改y为 i+ed
work
live
stop
cry
worked
worked
lived
lived
stopped
stopped
cried
cried
help
helped
helped
like
liked
liked
plan
planned
planned
study
studied
studied
一般动词
不发音e结尾
以辅音+y结尾
辅元辅,双写尾字母
4、练习(1)
I ________ (drive) for thirty years, and I’m not going to stop now.
【答案】have driven
【详解】句意:我已经开了30年车了,现在我不会停下来的。根据“for thirty year”可知,此处用现在完成时,故填have driven。
4、练习(2)
It's reported that the temperature    (climb)quickly since this morning.
【答案】has climbed
【详解】句意:据报道,从今天早上开始气温迅速上升。since自从...,要用于现在完成时have/has+过去分词,temperature要用has,故填has climbed。
4、练习(3)
By now, the bird ________(make) many swan friends there, and it is living a happy life. It’s really a happy ending.
【答案】has made
【详解】句意:到现在为止,这只天鹅在那里交了很多天鹅朋友,它过着幸福的生活。根据“the bird…many swan friends there”和备选词可知,选择make,make friends交朋友,根据“By now”可知,时态是现在完成时,故填has made。
4、练习(4)
My life ________(be)very miserable since she died.
【答案】has been
【详解】考查动词的时态。根据句意,她死后我的生活一直很悲惨。结合空后的时间状语since,自从,可知这里应填入现在完成时结构(has/have+done),主语为My life,第三人称单数,所以要用has been。故答案为:has been。
4、练习(5)
A parent said,I______(study)in the parents' school for one year.
【答案】have studied
【详解】考查动词与时态.结合语境可知此处表示"我在家长学校里学习了一年";study 学习,动词,根据for one year可知时态是现在完成时,主语I是第一人称单数,使用have+studied即可,故填have studied.
4、练习(6)
The writer is so popular that he _______(sell)more than 200,000 books so far.
【答案】 has sold
【详解】句意:这个作家太受欢迎了以致于目前为止他卖了200,000多本书了。根据so far可知句子是现在完成时,主语是第三人称单数,故答案为:has sold。
4、练习(7)
(2018新课标II卷)Since 2011, the country ________(grow) more corn than rice.
【答案】has grown
【详解】考查时态。句意:自2011年以来,与水稻相比,该国种植了更多的玉米。句中since表示“自从”,是现在完成时的标志词,句子应用现在完成时,且主语the country是单数,谓语动词应用第三人称单数形式。故填has grown。
4、练习(8)
(2022全国甲卷)In the last five years, Cao ________
(walk) through 34 countries in six continents.
【答案】has walked
【详解】考查动词时态。句意:在过去五年中,曹穿越了六大洲的34个国家。根据时间状语in the last five years可知,此处应用现在完成时,主语Cao为第三人称单数,助动词用has。故填has walked。
4、练习(9)
This is the first time that China________ (host) the Winter Olympic Games.
【答案】has hosted
【详解】考查时态。句意:这是中国首次举办冬奥会。固定句式This is the first time that....表示“这是第一次……”,其中that引导的从句中要用现在完成时,从句主语为China,助动词用has。故填has hosted。
4、练习(10)
Irene said, “I don’t see any reason to give up work. I love coming here and seeing my family and all the friends I ________ (make) over the years.”
【答案】have made
【详解】考查时态。句意:Irene说:“我不认为有任何理由放弃工作。我喜欢来到这里,看到我的家人和这些年结交的所有朋友。”根据时间状语“over the years”可知,此处应用现在完成时,主语是I,助动词用have。故填have made。
二、过去完成时
1、定义
(1)表示在过去某一时间或过去某一事件之前已经发生并完成的动作,即“过去的过去”
●The next day, we got a disappointing message that another buyer had offered a much higher price.
第二天,我们得到了一个令人失望的消息,那就是另一位买主已经给出了一个更高的价格。
●The film had begun when we got to the cinema yesterday. 昨天
我们到达电影院时,电影已经开始了。
1、定义
(2)表示一个动作或状态从过去某一时间之前已经开始,一直持续到过去这一时刻,并也可能继续下去。
2、结 构
had+过去分词
3、时间标志词
by then到那时为止 by that time到那时候
before..在…之前 by the end of.到…末为止
until then直到那时 by the time+一般过去时的从句 到……时候
●Experiments of this kind had been conducted in both the U.S. and Europe well before the Second World War.
在二战之前这种实验已经在美国和欧洲进行得很好。
●By the time Jack returned home from England, his son had graduated from college.
杰克从英格兰到家中时,他的儿子已大学毕业
●As the economy was in decline, some people in the town had lost their jobs.
由于经济衰退,城镇的一些人已经失业。
4、练习(1)
It was the ninth time that the team________ (win) the championship.
【答案】had won
【详解】考查固定句型。句意: 这是该队第九次赢得冠军。it is/was the+序数词+time+that+句子,表示“第几次做……”,主句用is,从句用现在完成时;主句用was,从句用过去完成时,所以此处应用过去完成时,在that从句中主语the team和动词win是主动关系,故填had won。
4、练习(2)
By the time I got to school, the first play ______ (be) on for nearly half an hour.
【答案】had been
【详解】考查时态。句意:我到学校时,第一场戏已经上演了将近半个小时。根据上文By the time I got to school可知为现在完成时,故填had been。
4、练习(3)
When she realized that she had left her handbag in the taxi, the taxi _________ (disappear).
【答案】had disappeared
【详解】考查动词时态。句意:当她意识到她把手提包忘在出租车上时,出租车已经不见了。分析句子结构可知,主句缺少谓语动词,disappear发生在realized之前,表示“过去的过去”,需用过去完成时。故填had disappeared。
三、常使用完成时
的句型
句型1
1 、 “It was/ had been+段时间+ since从句”,从句用过去完成时;“It is/ has been+一段时间+ since从句”,从句用一般过去时。
●It was ten years since we had had such a wonderful time. 我们十年没这么高兴了。
句型2
2 、 “ It is the first/ second/time+that从句”,从句用现在完成时;
“ It was the first/ second/time+that从句”,从句用过去完成时。●It is the first time that I have been here. 这是我第一次到这里来。●The teacher said it was the first time that little John had listened so attentively.老师说这是小约翰第一次那么认真地听讲。
句型3
3、“That/This/It is/was+the+最高级+名词+定语从句”,从句常用完成时。
●This is the best film that I have ever seen. 这是我看过的最好的一部电影。
●That dinner was the most expensive meal we had ever had. 那顿饭是我们吃过的最贵的一顿饭。