必修五第三单元-过去分词用作状语课件.ppt

1、Unit 3 GrammarPast Participle used as the Adverbial（过去分词用作状语）（过去分词用作状语）七砂中学七砂中学 涂雅涂雅Step1 Lead inDisappointed with her boyfriend,she made up her mind to break up.disappointed with her boyfriend=she was disappointed with her boyfriend过去分词在句子中可以充当时间状语、条件状语、方式状语、伴随状语、让步状语、原因状语等。过去分词用作状语过去分词用作状语主句主句Step

2、2 观察&发现1.Worried about the journey,I was unsettled for the first few days.2.Given better attention,the trees could grow better.3.Hit by a lack of fresh air,my head ached.=Because I was hit by a lack of fresh air,my head ached.4.I stared at the moving model of the waste machine,absorbed by its effici

3、ency.=I stared at the moving model of the waste machine,and was absorbed by its efficiency.5.When offered help,one often says Thank you or its kind of you.（原因状语）（原因状语）（条件状语）（条件状语）（原因状语）（原因状语）（伴随状语）（伴随状语）（时间状语）（时间状语）Step3 用法1.作时间状语相当于时间状语从句。可在过去分词前加上连词“when,while,until”等，使其时间意义更明确。Seen from the top o

4、f the hill,the town looks more beautiful.=When it is seen from the top of the hill,the town looks more beautiful.2.作原因状语相当于原因状语从句或并列结构。Deeply moved by the story,the children began to cry.=Because they were deeply moved by the story,the children began to cry.3.作条件状语相当于条件状语从句，可以加连词if,unless等转换成条件状语从句。

5、Given more time,we could do it much better.=If we were given more time,we could do it much better.4.作让步状语相当于让步状语从句，有时可加although,though,even if,even though,whetheror等连词转换成让步状语从句。Defeated by his opponent,he never gave up any hope.=Although he was defeated by his opponent,he never gave up any hope.5.作方

6、式、伴随状语相当于and连接的并列结构The president of the company came to the factory,followed by some workers.=The president of the company came to the factory,and he was followed by some workers.提示有些过去分词及短语因来源于系表结构，作状语时不强调被动，而重在描述主语的状态，如：lost（迷路），seated，hidden，lost/absorbed in,dressed in,tired of等。Step4:过去分词作状语时在句子

7、中的位置过去分词条件，原因及时间状语时，通常放在句首；作伴随状语、结果状语时，通常放在句末；作方式状语状语时，一般放在句末，有时也放在句首；作让步状语时，一般放在句首，有时也放在句末。Told that his mother was ill,li Lei hurried home quickly.The old man walked into the room,supported by his son.当堂导练 I创新大课堂Unit 3 Section III（即时训练I）Step5:过去分词与现在分词作状语的区别过去分词与句子的主语之间存在逻辑上的被动关系，现在分词与句子的主语之间存在逻辑上的主谓关系，即主动。Asked why he was late,he cried.Looking out of the window,I saw some students playing there.注意：无论是现在分词还是过去分词，其逻辑主语必须和句子的主语保持一致，如果不一致，则必须用状语从句、独立主格等结构表达。当堂导练 II创新大课堂Unit 3 Section III（即时训练III）Step5:Homework1.完成创新大课堂Unit 3 Section III(课后优化训练)2.复习本节课所讲的内容。3.预习书上P22阅读，完成P23第1题。