幻灯片 1
语法讲座
写作讲座
知识必备
专题练习
佳作观摩
技法指导
专题练习
Unit 5 Meeting your ancestors
Section Ⅳ Grammar & Writing
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幻灯片 5一、现在完成进行时
现在完成进行时是一种兼有现在完成时和现在进行时两者
基本特点的时态。其结构是“have (has) ＋been＋现在分
词”。现在完成进行时有以下几方面的含义：
1．表示动作从过去某一时刻开始，一直持续到现在并有可能
延续下去，常与 for, since引导的时间状语连用。
I have been teaching English for almost twenty years.
我教英语将近有20年了。
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幻灯片 6They have been living here for 10 years.
他们住在这里10年了。
2．表示动作刚刚结束。
I have been waiting for you for about half an hour.
我等你大概半个小时了。
3．表示动作的重复(指断断续续，而非一直不停)。
They have been discussing the matter several times this year.
这件事他们今年已经讨论好几次了。
4．表示某种感情色彩。
I have been wanting to see you for a long time.
我想要见你已好久了。
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幻灯片 7[考题印证1]
(2012·安徽高考)In order to find the missing child, villagers ________ all they can over the past five hours.
A．did B．do
C．had done D．have been doing
解析：选 考查动词时态。句意：为了找到那个丢失的孩子，在过去的五个小时里，村民们做了他们所能做的一切事情。根据句中的“can”及时间状语“over the past five hours”可知，此处应用现在完成进行时，故选D。
D
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幻灯片 8二、现在完成进行时和现在完成时的区别
I have been thinking it over.
我一直在考虑这件事。(延续性)
I have thought it over.(影响及结果)
我已经考虑过这件事了。
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幻灯片 9I have been visiting my hometown recently.
最近我经常回老家。(动作重复)
I have visited my hometown recently.
最近我回老家了。(不表示动作的反复)
Recently she has helped me a lot.
最近她帮了我很多。(陈述事实)
Recently she has always been helping me.
最近她总是来帮我。(赞许)
[点津] 有些动词不能用于现在完成进行时，但可用于现在完成时：
状态动词be, have, exist；
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幻灯片 10情感动词like, love, hate, detest；
感觉动词see, hear, know, feel, sound；
短暂性动词finish, marry, get up, come, go等。
They have gone to Shanghai.
他们已经去上海了。
They have been to Shanghai.
他们曾去过上海。
We have already finished the work.
我们已经完成了工作。
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幻灯片 11[考题印证2]
(2011·全国卷Ⅱ)The manager________ the workers how to improve the program since 9 am.
A．has told B．is telling
C．has been telling D．will have told
解析：选 。考查时态。句意：经理自从上午9点起一直在告诉工人们如何改进项目。根据句末的时间状语since 9 am及句意可知，此处强调的是动作的持续进行，所以此处用现在完成进行时，表示“一直不断地告诫……”。
C
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幻灯片 12点击下列图片进入
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幻灯片 14此图是三星堆出土的一件陶盉 ，假设你是三星堆博物馆的一名工作人员，请用英语写一篇文章介绍该陶盉。
参考词汇：圆盖 dome； 实用茶壶 functional jug
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幻灯片 15 ①It is a clay pot, which was found with other bronze objects.
②It rests on three thick legs which make it very steady. ③It has a long straight body ending in a dome at the top of the lid. ④There is also an open mouth — like part to pour the liquid in or out. ⑤The handle reaches from below the open hole to the beginning of the three thick legs.
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幻灯片 16 ⑥It could have been used to hold and pour wine or other liquid. ⑦It is elegant enough to be used by rich people at parties. ⑧The owners of this object clearly wanted a functional jug but one that had style and elegance. ⑨They were clearly people with artistic taste. It must have come from an old but advanced civilization.
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幻灯片 17本文共分三段。
第一段：开门见山，简要介绍考古发现的物品是什么。
第二段：具体描述发掘出土的物品。可以描述它的组
成、外观和特征等。
第三段：根据上文描述，合理推测其功能及其所反映出
的重要文化意义。
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幻灯片 18亮点一：在句②中用steady 作宾语补足语；
在句③中用现在分词短语ending...作后置定语；
亮点二：在句①和②中用which引导定语从句。
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幻灯片 19如何写物品介绍类说明文
物品介绍类说明文写作应注意以下几点：
1．抓准特征、说明到位。
抓住事物的特征，即这一事物区别于其他事物的标志就显得尤为重要。只有抓住了事物的特点，才能给读者留下深刻的印象。
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幻灯片 202．层次分明、条理清晰、内容连贯。
物品介绍类说明文要采用恰当的说明顺序，从物品的外观、构造、功能等方面来分层描述，做到层次分明、条理清晰、内容连贯。
3．表现手法多样。
像其他说明文一样，物品介绍类说明文可采用举例子、列数字、作比较等不同的说明方法，以便让读者更好地了解所介绍的物品。
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幻灯片 21[黄金表达]
1．This object, which was made ..., was unearthed ...
2．This was one of the most important archaeological discoveries of the ... century.
3．This treasure has a history of ... years.
4．This object, which dates back to / dates from ..., is still well preserved.
5．In the past people might have used ... for religious purposes or used it as a decoration.
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幻灯片 22 6．This object represents the idea that ...
7．It consists of/ is made up of ...
8．It is made of/from ...
9．This object has a history of ..., but it is in good/poor condition.
10．This object doesn't only have practical purpose; it also ...
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幻灯片 23点击下列图片进入
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