牛津译林版英语选修六《Unit2 Grammar and usage》课件精品PPT

1、Grammar and UsageOverview: DescriptionsHelp to review infinitive, verb-ed and verb-ing used as adverbials.Put the three non-finite verbs into practice in a certain situation.表语主语宾语不定式宾语补足语定语状语to do as an adv.不定式作状语，表示目的、结果、原因、条件等。(辽宁卷)All these gifts must be mailedimmediately _ in time for Christmas

2、.in order to have received B. in order to receive C. so as to be received D. so as to be receivingTip 1: so as to (不能放句首), to, in order to作目的状语可以放在句首或句中。 He hurried to the station only _ that the train had gone. A. to find B. finding C. found D. to have foundTip 2: 在so as to, such as to, only to 结构中

3、不定式作结果状语，其中only to 用于表示意想不到的结果。Tip 3 : enough to, too to结构The boy isnt old enough to go to school.=The boy is too young to go to school.Im glad to meet you.Tip4:形容词（glad, happy, lucky, fortunate, surprised, angry, anxious, ready, quick, slow, cruel, clever等）+ 不定式结构作原因状语。表语现在分词宾语补足语定语状语作状语现在分词作状语时，其逻

4、辑主语必须与句子的主语相同；如果不相同，分词前必须加上自己的主语，这种结构被称为独立主格结构。Time permitting,I will stay for another week.=If time permits,I will stay for another week.1. 作伴随状语 动词stand,sit和lie加现在分词作伴随状语，表示两个动作同时发生。We sat there talking to each other.The poor man sat by the road, begging.2. 作方式状语，表示方式。 Americans like travelling, d

5、riving their cars. They often communicate with each other, using English.3. 作时间状语，相当于状语从句。现在分词可表示动作同时发生或进行，而现在分词的完成时可表示动作的先后顺序，表示它发生在主句谓语动词表示的动作之前。Seeing the big snake, the girl was almost frightened to death.=When she saw the big snake, the girl was almost frightened to death.Having waited in the l

6、ine for half an hour, he suddenly realized that he left his wallet at home.=After he waited in the line for half an hour, he suddenly realized that he left his wallet at home.有时表示时间的分词短语可由连接词when, while, once, until, whenever等引出。While reading the novel, he nodded from time to time.4. 作原因状语，相当于原因状语从句

7、Being a student, I must work hard.=Because I am a student, I must work hard.Not knowing what to do next, he turned to the teacher for help.=Because he didnt know what to do next, he turned to the teacher for help.5. 作结果状语Both his parents died in the war, leaving him alone in the world.The fish can e

8、at a person in two minutes, leaving only the bones.6. 作条件状语Working hard,you will succeed one day.=If you work hard,you will succeed one day.Putting more salt into the soup, you will find it more delicious.表语过去分词宾语补足语定语状语过去分词作状语1. 时间状语Seen from the hill, the park looks very beautiful.When the park is

9、 seen from the hill, it looks very beautiful.When completed, the museum will be open to the public.When it is completed, the museum will be open to the public.Once seen, it can never be forgotten.Once it is seen, it can never be forgotten.2. 原因状语Frightened by the thunder and lightning in the night,

10、the girl did not dare sleep alone in her own room.Because she was frightened by the thunder and lightning in the night, the girl did not dare sleep alone in her own room.Lost in thought, he almost ran into the car in front of him.Because he was lost in thought, he almost ran into the car in front of

11、 him.3.条件状语Given more time, we could do it much better.If we were given more time, we could do it much better.Unless invited to speak, you should remain silent at the conference.Unless you are invited to speak, you should remain silent at the conference.Compared with other professors, she was an exc

12、ellent speaker.(=If she was compared with other professors.)Answers:To learn how to ski.Accompanied by an experienced ski instructorThinking that she knew how to ski well While skiing downhillAlthough not expecting trouble6.Having been checked at the near est hospital7.Hearing the news8.Not knowing

13、how serious the situation was9.Arriving at the hospital10.if properly treatedPractice1.A railway station is no place for a child _ alone at night. A. leave B. leaving C. to be leaving D. to be left2. We were warned _ the fish which might give us a slight stomach upset. A. not to eat B. not eating C.

14、 to eat not D. eating not3. _ themselves awake they sat on the floor and told each other stories. A. Keep B. Keeping C. To keep D. To have kept4. _ these children _ what you want is a science I can tell you! A. Getting; done B. Get; done C. To get; to do D. Getting; to do5.When youre learning to dri

15、ve，_ a good teacher makes a big difference. A. have B. having C. and have D. and having6.A few days after the interview， I received a letter _ me the job. A. offered B. offering C. to be offering D. having offered7.The plane crashed，_ all 200 people aboard. A. killed B. having killed C. killing D. had killed8.He was always the first _ and the last _ the office. A. to come, to leave B. coming, leaving C. to come, left D. coming, left9.Robert