Learning about Languageppt配套的教学设计及说课稿

Book8unit4 Grammar

复习过去分词作状语

1，教学目标：

1）.掌握动词过去分词作状语的用法；

2）.能够熟练运用非谓语中过去分词作状语

2.教学重难点: 过去分词作状语与现在分词作状语的区别

3.教学过程：一. 学习-ed 分词作状语

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1. 作用：

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例句1After accepted by the Party, he decided to devote his life to the cause of the Party. •

After he was accepted by the Party, he decided to devote his life to the cause of the Party. •

①表＿＿＿＿, 相当于一个时间状语从句, 过去分词前可加when, while, before等来强调时间概念。

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Ex. 1) 从山顶上看, 这个城市就像一个大花园。

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_________________________ , the city looked like a big garden.

2) When ______________(complete)，the museum will be open to the public next year •

例句2. Deeply moved by the story

，the excited people stopped quarrelling with each other. •

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Because the excited people

were deeply moved by the story

，they stopped quarrelling with each other. •

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表___________

, 相当于一个原因状语从句。

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Ex.1) ________________________ (受演讲所鼓舞), the young people made up their minds to take up the struggle.

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2) Mr．Smith，___ of the ___ speech，started to read a novel.

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A．tired；boring

B．tiring；bored

C．tired；bored

D．tiring；boring

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例句3. Given time(假以时日)，Lina will make a first-class tennis player.

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= If Lina is given time，she will make a first-class tennis player.

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表______ , 相当于一个条件状语从句, 有时过去分词前可用if , unless等词。

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Ex. •

1) 水如果被加热, 会变成水蒸气。

If __________, water can be turned into steam.

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2) Unless ___________________ (除非让你发言),

you should sit silent. 3) 再给他一次机会, 他会做得更好。

例句4. 尽管已经跑得筋疲力尽，他们还是继续追赶着那个强盗。

(Though) Exhausted by the running, they went on running after the robber.

=Though they were exhausted by the running, they went on running after the robber. ④表

_______ ，相当于一个though/although引导的__________

Ex1) (Though) _________________________(尽管被许多人嘲笑) , he continued his study.

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例句5. The old man went into the room, supported by his wife.

=The old man went into the room and he was supported by his wife.

⑤表方式或伴随情况。(相当于_______连接的并列分句)

我和父亲坐在桌子旁边讨论着我的工作问题

__________________________, my father and I were talking about my job.

=My father and I were seated at the table _______ we were talking about my job .

二. 意义: ed分词短语做状语可表示______

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______ ______ ______ ______等意义。这种-ed分词状语相当于一个时间、原因、条件、让步等_________从句，若-ed分词表方式或伴随情况时，相当于_______连接的分句。句子的主语与分词所表示的动作构成______________关系，即是该分词动作的承受者。

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-ed分词（短语）作状语时，也可在其前面加上连词______________________________等，以便明确作何种状语。

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巩固练习: Rewrite the following sentences using participles: •

1) If the town is seen from the top of the hill,

it looks more beautiful. •

=_________________________, the town looks more beautiful •

2) As the watch is used for a long time , it needs repairing . •

=________________________, the watch needs repairing . 3) Though he had told many times he couldn’t understand it.

=___________________________, he couldn’t understand it

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三. 注意事项: •

1. 某些过去分词（短语）来源于_______结构，有些甚至具有形容词的特征，因此，虽然它们作状语时与句子主语之间存在逻辑意义上的__________关系，但仍然用它们的过去分词来作____语。这类过去分词（短语）常见的主要有：

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caught in(陷入，遇上), devoted to, disappointed at, determined to, dressed in, exhausted，hidden, lost in, prepared for, seated, tired of 等。

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Ex. 1) ___________________________________ (对考试的结果感到失望), the top student sat there in stony silence. •

2)_____________________________ (因为被大雨所困), Jennifer didn’t arrive on time.

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3) ____________________________ (对党非常忠心), the young soldier gave his life for his country. •

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2. 过去分词作状语与现在分词作状语的区别: 下列句子哪个正确？

Seeing in this light, the matter is not as serious as people generally suppose.（

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Seen in this light, the matter is not as serious as people generally suppose.（

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总结:

过去分词与句子主语构成_______关系(________),

而现在分词与句子主语构成________ 关系(__________)。

Ex. 1)"We can't go out in this weather," said Bob,

________ (look) out of the window.

2)

_______ such heavy pollution already, it may

now be too late to clean up the river.

A. Having suffered

B. Suffering

C. To suffer D. Suffered

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3) The researcher is so designed that once ___ nothing can be done to change it.

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A. begins B. having begun

C. beginning

D. begun •

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分词作状语时，其逻辑主语要与句子的主语保持一致。若其逻辑主语不是句子的主语，则须在分词前加上自己的___________，构成独立主格结构。

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Ex •

1) Her homework

________

(finish), Jessica went out for a walk.

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作业做完后，杰西卡出去散步了。

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2) Weather __________ (permit), we’ll go there on foot

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3) ____________________ (settle), the meeting ended. 问题得到解决，会议就结束了。

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4) Night _________

(come) on, we started for home. •

4. 英语中有一部分分词短语，它独立存在，没有自己的逻辑主语。这些分词短语已成为固定的惯用语，常被看作句子的插入语，常见的有：

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Generally speaking

一般说来

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Strictly( Honestly/ Frankly/ Roughly/ Broadly) speaking

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严格地/诚实地/坦白地/粗略地/泛泛地说

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Talking of / about ..

谈到……

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Considering…考虑到……，鉴于……

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Judging from/ by… 根据……判断

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Taking all / everything into consideration

从各方面考虑

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Allowing for… 考虑到

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Putting it mildly

说得温和一些

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Ex. •

1) _____________________________ (根据他的外表来看)，he must be American. •

2) ___________________________ (一般说来), boys are more generous than girls. •

课后练习

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一．请找出下列句子的错误并改正

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1. Giving more attention, the tree could have grown better.

2. The computer center, opening last year, is very popular among the students in this school.

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3. Losing in thought, he almost ran into the car in front of him. 4. Before used it, the machine must be checked •

5. Dressing in a white uniform, he looks more like a cook than a doctor.

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二.Writing •

1. In the morning, we bicycled to the suburbs to plant trees, ____________________________________(一路上有说有笑). (-ing作伴随状语)

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2. __________________________________________(参加英语演讲比赛)is a helpful way to learn English. （-ing作主语）

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3. ____________________________(被他的话所感动), I praised him for his deeds and decided to sing __________________________ (名叫“母亲”的一首歌) for the students.(-ed作状语和定语)

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4. 尽管讲了很多次，他还是不明白这个问题。(-ed作状语)

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5. At about 1 o’clock this afternoon, Tracy called, _____________________________________________________________________________ [说他明天上午不能在咖啡屋(Bolton Coffee)同你见面]

as she has something

important to attend to. (-ing作伴随状语)

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6. 由于对所发生的事情感到吃惊，Tom不知道怎么办。(-ed作状语)

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9．2010年完工，那博物馆已经对公众开放了好几年。(-ed作状语) •

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10. 这个假期，我的主要任务的照顾弟弟。(-ing作表语) •

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__________________________________________________ 7. 完成作业后，要检查，以确保减少不必要的错误。(to do 作目的状语)

__________________________________________________ 8. 正在建的那栋楼是我校的图书馆。（being done 作定语）