Unit 5 Discovering Useful Structures（ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、To be familiar with the function of past participles as the adverbial.To learn to express feelings and describe situations.Look at the following sentences and underline the past participles.Find more of them in the text.Discuss their functions.1.Born in the USA on 2 January 1970,Whitacre began study

2、ing music at the University of Nevada in 1988.2.Moved by this music,he said,“It was like seeing color for the first time.”3.Inspired,he asked his fans to make videos Whats the logical Subject(主语主语)of the underlined past participles?Whats the relationship between the underlined past participles and t

3、heir Subjects,active or passive?1.Born in the USA on 2 January 1970,Whitacre began studying music at the University of Nevada in 1988.2.Moved by this music,he said,“It was like seeing color for the first time.”3.Inspired,he asked his fans to make videos 过去分词与其逻辑主语之间是被动关系。过去分词与其逻辑主语之间是被动关系。Whitacrehe

4、he主主语语过去分词（短语）作状语过去分词（短语）作状语过去分词（短语）作状语，表时间、条件、过去分词（短语）作状语，表时间、条件、原因、让步、方式或伴随等情况原因、让步、方式或伴随等情况,相当于一相当于一个状语从句。个状语从句。分词动作与其逻辑主语（即句子主语）之分词动作与其逻辑主语（即句子主语）之间常存在逻辑上的被动关系。间常存在逻辑上的被动关系。如：如：Watered more,these plants could have grown better.过去分词（短语）作状语时，一般可转换为过去分词（短语）作状语时，一般可转换为相应的由关系词引导的状语从句。相应的由关系词引导的状语从句。如

5、：如：Caught in heavy rain,he was wet all over.As he was caught in heavy rain,he was wet all over.【注意注意】与完整的状语从句相比，省略主语的过去分与完整的状语从句相比，省略主语的过去分词（短语）在表达上更为简洁和凝练，同时词（短语）在表达上更为简洁和凝练，同时突出了句子表达重心，在正式文体中使用较突出了句子表达重心，在正式文体中使用较多，是较高级的组织方式。多，是较高级的组织方式。1.作时间状语时，可转换为作时间状语时，可转换为when或或while等等引导的从句引导的从句，常放句，常放句首。首。Se

6、en from the top of the hill(=When it is seen from the top of the hill),the school looks like a big garden.从从山上看，这个学校像个大花园。山上看，这个学校像个大花园。2.作条作条件状语时，可转换为件状语时，可转换为once,if或或unless等引导的从句，一般等引导的从句，一般放句放句首。首。Given more attention(=If it was given more attention),the fire could have been avoided.如果如果多注意一些，这场

7、大火本来能避免多注意一些，这场大火本来能避免的。的。3.作原因状语时，可转换为作原因状语时，可转换为because,as或或since等引导的从句，多等引导的从句，多放句放句首。首。Encouraged(=As she was encouraged)by the teacher,the girl was very happy.由于由于被老师鼓励，这个女孩儿非常高兴。被老师鼓励，这个女孩儿非常高兴。4.作让步状语时，可转换为作让步状语时，可转换为though,although或或even if引导的从句，常引导的从句，常放句放句首。首。Left(=Although she was left)al

8、one at home,Jenny didnt feel afraid at all.尽管尽管被单独留在家里，但是珍妮一点都不被单独留在家里，但是珍妮一点都不害怕。害怕。5.作方式或伴随状语时，常可转换为并列分作方式或伴随状语时，常可转换为并列分句句，位，位于句首或句末。于句首或句末。Surrounded by his students,the teacher went into the lab.(=The teacher was surrounded by his students and he went into the lab.)这个这个老师被学生们环绕着走进了实验室。老师被学生们环绕着

9、走进了实验室。6.过去分词过去分词(短语短语)作状语时，有时为了强调，作状语时，有时为了强调，前面可带连词前面可带连词when,while,if,though,as if,unless等。等。When given a physical examination,you should keep calm.做做体检的时候，你应该保持镇静。体检的时候，你应该保持镇静。Rewrite the story using past participles as the adverbial.The Silver Hall is usually used for singing performances and

10、is full of cheers and energy.Usually used for singing performances,the Silver Hall is full of cheers and energy.1 Henry was highly interested in music and began to write original compositions when he was in high school.Highly interested in music,Henry began to write original compositions when he was

11、 in high school.2 They were pleased with his music and songs and finally invited him to perform in the Silver Hall.Pleased with his music and songs,they finally invited him to perform in the Silver Hall.3 Though he was affected by gradual blindness soon after the performance,Henry was still capable

12、of writing compositions and he found that creating music was a relief and cure for his illness.Though affected by gradual blindness soon after the performance,Henry was still capable of writing compositions and he found that creating music was a relief and cure for his illness.n.减轻消除减轻消除;解脱解脱;轻松轻松ad

13、j.有能有能力的力的;有才能的有才能的n.药物药物;治疗治疗 vt.治愈治愈;解决解决4 When he got absorbed in his world of music,he felt as if he could“see”the beauty of the world around him,like he had in his previous life.Absorbed in his world of music,he felt as if he could“see”the beauty of the world around him,like he had in his previ

14、ous life.Find out the differences in meaning and function between the newly writtensentences and the original ones.adj.先前先前的的;以往的以往的被被吸引吸引;专心致志专心致志Match the sentence halves and rewrite each sentence beginning with a past participle.1 The room had been painted in dark colors2 Dave was unemployed3 The

15、 girl was moved by his romantic words4 He was corrected by his teacher from time to time5 The album was recorded in a new way6 He was invited to perform on the stageA so he had time to consider what Job he really wantedB so he felt nervous and excitedC so it was expected to be popular with techno fa

16、nsD so she accepted his giftE so it needed some bright lightsF so he lost interest in singingEADFCB1.Painted in dark colors,the room needed some bright lights.2.Unemployed,Dave had time to consider what job he really wanted.3.Moved by his romantic words,the girl accepted his gift.4.Corrected by his

17、teacher from time to time,he lost interest in singing.5.Recorded in a new way,the album was expected to be popular with techno fans.6.Invited to perform on the stage,he felt nervous and excited.Complete the passage with the words in brackets in their correct forms.Well known as a successful band,the

18、 Impact members show quite a few striking qualities.They never ever give up.When _(question)by the media,they are not _(discourage)and practise even harder.They are improving themselves by attending several master training classes.They are united._(fill with)team spirit,they act as a whole,always ai

19、ming for glory.questioneddiscouragedFilled withn.巨大影响巨大影响;强大作用强大作用n.目标目标 v.争取做到争取做到;瞄准瞄准;旨在旨在含过去分词状语的句子的特点：含过去分词状语的句子的特点：作状语的过去分词短作状语的过去分词短语常语常相当相当于状于状语从句。语从句。过去分词的逻辑主语和句子主语一致。过去分词的逻辑主语和句子主语一致。过去分词与其逻辑主语之间是被动关系。过去分词与其逻辑主语之间是被动关系。过去分词短语作状语所表达的状语类别，要过去分词短语作状语所表达的状语类别，要根据整个句子的意思来推断。根据整个句子的意思来推断。分词作状语答题

20、记忆口诀：分词作状语答题记忆口诀：分词作状语，主语是问题。分词作状语，主语是问题。逗号前后两动作，共用一主语。逗号前后两动作，共用一主语。主语找出后，再来判关系。主语找出后，再来判关系。主动主动-ing,被动用被动用-ed.Having done 表先后，千万要牢记。表先后，千万要牢记。用用括号内动词的正确形式填空。括号内动词的正确形式填空。1.The _(reduce)price of eggs can save you one dollar for each dozen.2.Here are some new computer programs _(design)for language

21、learning.3._(leave)alone in the dark room,the little boy was so frightened that he cried.4.My father must have been very angry,for we heard the glass _(break)on the floor.reduceddesignedLeftbroken5.My teacher seemed quite _(satisfy)with my work and praised me in her class.6.The foreigner tried his b

22、est,but he still couldnt make his point _(understand).7.Generally speaking,when _(take)according to directions,the drug has no side effect.satisfiedunderstoodtaken1.Do exercises on grammar in the workbook.2.Write a short passage in 70 words to introduce the music you like using at least 4 sentences with past participles as the adverbial.