人教版（2019）选择性必修第二册Unit 5 First Aid Period 4 Discover Useful Structures课件(共18张PPT)

(共18张PPT)
Unit 5 First Aid
Discover useful structures
At the end of this lesson, I will be able to:
review the function of –ing form as subject, object, predicative, attribute, object complement, and adverbial.
understand the tense and voice of the –ing form and its meaning.
practise using –ing in contexts.
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organ
acid
millimetre
radiation/rays
fabric
victim
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context (语境)
relation
content
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slight: small in size, degree, or amount; not serious
a slight breeze; It has only made a slight difference.
minor: less, or little, in importance, size etc.
She has to go into hospital for a minor operation.
tiny: extremely small
Though she was tiny, she had a very loud voice.
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reduce: to make less, smaller etc.
The shop reduced its prices; The train reduced speed.
relax: to make or become less tight or less worried etc.
Relax your shoulders.
ease: to free from pain, trouble or anxiety减轻；缓解（痛苦等）
A hot bath eased his tired limbs.
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victim: a person or thing that suffers harm, death, etc.
Food is being sent to the victims of the disaster.
patient: a person who is being treated by a doctor, dentist etc.
The hospital had too many patients.
sufferer: a person suffering from an illness
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accident: an unexpected event, especially one resulting in damage or harm car accidents on icy roads.
incident: an event or happening
There was a strange incident in the supermarket today.
occasion: a particular time or a special event
I've heard him speak on several occasions. The wedding was a great occasion.
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urgency: importance needing immediate attention 紧迫性
She stressed the urgency of an early solution.
emergency: an unexpected, especially dangerous happening or situation 紧急情况；突发事件
Call the doctor – it's an emergency.
seriousness: importance, significance or danger 严重性
the seriousness of the crisis
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acid
incidents
urgent
organs
loosely
victim
What is the function of the -ing form in each sentence below
1. As you can imagine, getting burnt can lead to very
serious injuries.
2. The first and most important step in the treatment of
burns is giving first aid.
3. It is best to place burns under cool running water,
especially within the first ten minutes.
4. Remove any clothes using scissors if necessary, unless
you see the fabric sticking to the burnt skin.
5. You can protect the burn by covering it with a clean cloth.
(Subject)
(Predicative)
(Object after a preposition)
(Attribute)
(Adverbial)
(Object complement)
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主动语态 被动语态
肯定式 否定式 肯定式 否定式
一般式
完成式
doing
not doing
being done
not being done
having done
not having done
having been done
not having been done
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3. She had been told about the risk of electric shocks and this made her very careful while using hairdryers.
Having been told about the risk of electric shocks, she was very careful while using hairdryers.
4. Because the child was not watched carefully by his parents, he touched a hot iron and burnt his finger.
Not being watched carefully by his parents, the child touched a hot iron and burnt his finger.
5. After she had been bitten by mosquitoes, she applied some medicine to her skin.
After being/ having been bitten by mosquitoes, she applied some medicine to her skin.
TB P.53 EX. 2
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Mrs Taylor was an elderly woman ______ (live) alone. One day, she was in her living room cleaning the windows, when suddenly she could no longer feel the right side of her body. _____ (try) to walk to her sofa to sit down, she fell over onto the carpet. Then she realised that she could not get up, and that she was having trouble ________ (breathe). Fortunately, she had her mobile phone with her, and she was able to reach it with her left hand while _____ (lie) on the floor. Her mobile phone _______________ (already, set up) to call an emergency number at the push of a button, so it was easy to call for help.
living
Trying
breathing
lying
was already set up
TB P.53 EX.3 Complete the passage with the correct forms of the given words. Identify the function of each –ing form. What happened to Mrs. Taylor
attribute
adverbial
Object of prep.
adverbial
predicate
Look and Discuss
While attempting to talk to the operator, Mrs Taylor discovered that she could not speak. _________ (not, hear) an answer, the operator knew that Mrs Taylor must be in trouble. Telling Mrs Taylor that everything would be OK, she immediately sent an ambulance. After ________ (arrive), the ambulance team quickly found Mrs Taylor and without delay gave her oxygen, put in an IV needle, and checked her vital signs. ________________ (take) to the hospital and treated immediately, Mrs Taylor's health was in no great danger, though she had to stay in the hospital ward. After a week, her __________ (frighten) experience was over, and she was allowed to go home.
Not hearing
arriving
Having been taken
frightening
adverbial
Object of prep.
adverbial
attribute
Look and Discuss
What happened to Mrs. Taylor
Introduction
Rising action
Falling action
Resolution
Climax
living alone
cleaning, no longer feel
trying, fell
having trouble breathing
reached, lying
attempting, not speak
not hearing, knew
telling, sent
arriving, found
Having been taken and treated
frightening, over
Summary
以do为例 Active voice主动语态 Passive voice被动语态
Simple tense一般式 doing being done
Perfect tense 完成式 having done having been done
现在分词可作表语、定语、宾补、状语，动名词可作主语、宾语、表语、定语，两者所表示的意义不同。
-ing形式有语态，其逻辑主语如果是该动作的执行者，用主动语态，是承受者，则用被动语态。
-ing形式有时态，如果-ing形式的动作与主句谓语动词的动作同时发生，则用一般式，如果先于主句谓语发生，则用完成式。在判断时可借助显性的时间标志，如before, for +一段时间，many times, yesterday等，有时则根据语境意义的隐性提示。
-ing形式在句中充当不同成分时，其用法、时态和语态有所不同。
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