Unit 4 分词作状语 综合复习 ppt课件-（2022新）人教版高中英语选择性必修第二册.pptx

1、Participle as adverbialSeen from the train window, the mountains and forests of Canada looked massive._(see)from the train window, we can know the mountains and forests of Canada is massive.SeeingSeen from the train window, the mountains and forests of Canada looked massive.Seeing from the train win

2、dow, we can know the mountains and forests of Canada are massive.the mountains and forests of Canada wepassiveactiveWhen the mountains and forests of Canada were seen from the train window, the mountains and forests of Canada looked massive.When we saw from the train window, we can know the mountain

3、s and forests of Canada are massive.the mountains and forests of Canada the mountains and forests of Canada weweSimilarity 1: Difference : the subordinate clause shares the same subject with the main clause . 从句和主句主语一致past participles indicate the action is _ and _ ; present participles indicate the

4、 action is _ and _ .passivecompletionactiveprogressivethe mountains and forests of Canada seenweseeingBecause he hadnt done his homework, he was punished.Because the thief wasnt seen by anyone, the thief escaped.Because I dont know his address, I cant send this book to him.Because the boy had been i

5、gnored for a long time, the boy felt bored and went out.perfect tensePay attention to the voice and tense.activepassivesimple tenseactivesimple tensepassiveperfect tensetense时态时态active主动主动passive被动被动一般式（not）doing（not） being done完成式（not）having done（not）having been doneNot having done his homework, he

6、 was punished.Not being seen by anyone, the thief escaped.Not knowing his address, I cant send this book to him.Having been ignored for a long time, the boy felt bored and went out.1.The teacher came into the classroom, _(follow) by two students.followed2._（discuss）several times, the decision wasnt

7、made yet. Having been discussed 3._（finish）his homework, he began to watch TV.Having finished4._（work）hard at your lessons, you will succeed.Working5._（be）repaired now, this computer cant be used.Being Tips：1.Find the subject2.Analyze the voice3.Pay attention to the tense6. His father died, _(leave)

8、 him a lot of money.leaving1. The teacher came into the classroom, followed by two students.2. Having been discussed several times, the decision wasnt made yet. 3. Having finished his homework, he began to watch TV. 4. Working hard at your lessons, you will succeed.5. Being repaired now, this comput

9、er cant be used.Complete the sentences with appropriate conjunctions.The teacher came into the classroom, and was followed by two students.Although it had been discussed several times, the decision wasnt After he had finished his homework, he began to watch TV. If you work hard at your lessons, you

10、will succeed.Because it is repaired now, this computer cant be used.方式/伴随让步时间条件原因6. His father died, leaving him a lot of money.结果His father died, and left him a lot of money./which left him.1.时间状语Conclusion :相当于一个时间状语从句，有时可由连词when，while，after引导2.原因状语可与原因状语从句转换，有时可由连词as, since, because引导3.条件状语4.结果状语

11、5.让步状语6.方式或伴随状语可与条件状语从句转换，有时可由连词if，unless引导常位于句末，可扩展为含并列谓语简单句，有时也可转换为非限制性定语从句可与让步状语从句转换， 由although，though引导可转换为由and连接的简单句Similarity 2: they both can use the conjunctions when, because, if, although and so on.1. The text finished, we began our holiday.2. Weather permitting, we can go out for a picnic

12、. More examples:The text was finished, so we began our holiday.If weather permits, we can go out for a picnic.独立主格结构：有自己的逻辑主语，可表示时间，原因，条件等。Eg: The poor man lay there. His hands were trembling.The poor man lay there, his hands trembling.时间状语原因状语条件状语结果状语让步状语方式或伴随状语独立主格结构Summary:when，while，after1.The k

13、inds of adverbialas, since, becauseif，unless简单句或非限制性定语从句although，though为由and连接的简单句2.The tense and voice of ing formtense时态时态active主动主动passive被动被动一般式（not）doing（not） being done完成式（not）having done（not）having been done3.The difference and similarities4.The tips Similarity 1: share the same subjectDiffer

14、ence : past participles: passive and completion ; present participles: active and progressive.Similarity 2: they both can use the subordinating conjunctions1.Find the subject2.Analyze the voice3.Pay attention to the tense有自己独立的逻辑主语Consolidation: 1. _(warn) many times, some people still throw cigaret

15、te ends everywhere. Having been warnedConsolidation:2._ (give) more time, we could do it much better.Given Consolidation: 3._(hear) their teachers voice, the pupils stopped talking at once.Hearing Consolidation:4.The children ran out of the room, _ (laugh and talk) happily.laughing and talking Conso

16、lidation:5.The lecture_(give) , a lively question-and-answer session followed.having been givenConsolidation: 1. 因为在这个村里住了很多年，我熟悉每一个人。_ ， I know everyone quite well.Having lived in the village for many yearsConsolidation:2. 当你从山顶看的时候，这个公园看上去很美。_ ， the park looks beautiful.Seen from the top of the mo

17、untainConsolidation:3. 即使我被邀请了，我也不会去那个派对的。_ ， I wont take part in the party.Even if invitedConsolidation:4. 如果和你相比，我还有很大差距。_ ， I still have a long way to go.Compared with youConsolidation:5. 他被困在雨中，使得他感冒了。He was caught in the rain,_.making him catch a coldConsolidation:1.Tom stood outside the door.

18、He glanced at his watch from time to time.Tom stood outside the door, glancing at his watch from time to time.Consolidation:2. We heard the news that we have won the match. We all jumped up. Tears of joy rolled down our cheeks.Hearing the news that we have won the match, we all jumped up, tears of j

19、oy rolling down our cheeks.Consolidation:3. He saw the gold medal. He couldnt conceal(掩饰) his excitement. His face cracked(裂开) into a broad smile.Seeing the gold medal, he couldnt conceal his excitement, his face cracking into a broad smile.Consolidation:4.Tom showed the gold medal to his father. His father gave him a thumbs-up.His father said,“Congratulations!” (可适当加连词。)When Tom showed the gold to his father, he give him a thumbs-up, saying,“Congratulations!”Homework:Finish the exercise about the participles as adverbials.Thank you for your listening!