现在分词学习课件

1、现在分词1aLook at following sentences, pay attention to the words in red.Verb-ing form as an adjective or adverbHe told us the exciting news.The children went home, talking and laughing.The children playing outside are in Class Two.2aThe present participleDefinition 现在分词是非谓语动词的一种形式，它由原形动词+ing构成。它可以有自己的宾

2、语或状语，有时态及语态变化，它的一般式通常具有主动意义。3aFunctions AttributeThis will have a lasting effect.1.单个的现在分词通常作前置定语。 The amusing story set us laughing.2.现在分词短语通常作后置定语。 People running these factories are very concerned about the environment.= people who run these factories are very concerned about the environment.They

3、 live in the house facing the south.=they live in the house that faces the south.4a3.Use a verb-ing form to form a compound with an Adverb or a noun*The fast-growing economy has caused environmental problems. A wood-burning stove is environmentally unfriendly.4.Put an adverb before the verb-ing form

4、That was an extremely interesting speech.5a4.现在分词与动名词作定语时的区别：动名词表示其修饰名词的性质，或用途，与它修饰的词无逻辑上的主谓关系。现在分词做定语，表明被修饰名词的动作，与这个名词构成了逻辑上的主谓关系，相当于一个定语从句。a sleeping car = a car for sleeping a sleeping boy = a boy who is sleeping动名词现在分词a waiting taxi = a taxi which is waitinga waiting room = a room for waiting6a

5、Predicative This destruction is frightening.比较：Her job is looking after children.=Looking after children is her job.7a 在see, hear, notice, feel, find等动词的后面，用现在分词表示动作正在进行（即观察到整体动作的一部分）。 Object complement We all found his argument convincing and interestingI saw him working in the garden yesterday.I s

6、aw him work in the garden yesterday.8a Notice: 现在分词作宾语补足语与过去分词作宾语补足语的区别：现在分词表示主动以及动作的延续，过去分词所表示的动作往往是完成和被动He had the fire burning day and night.他让火日夜燃烧着。（动作延续）Father had me swimming the whole summer vocation.(主动）Mary had her dress washed.Mary 叫别人洗了她的衣服。（动作由别人完成，并与前面的名词构成被动关系）9aA verb-ing can be used

7、 after verbs like stand, sit and lie. These two actions are happening at the same time.*They stood talking to each other.=they stood when they were talking to each other.同学们说说笑笑地走进教室。The students went into the classroom talking and laughing.10a a verb-ing has a perfect form, e.g. having workedHaving

8、 finished his homework, he left the school.11a时态/语态主动被动一般式 doingbeing done完成式having donehaving been doneBasic forms of verb-ing12aEx._(study) hard, youll make your mark._( live) in the city for 20 years,he knows it quite well.That building _( repair) is our library._ (heat) to high temperature, the metal was cooled in the air.Having livedStudyingbeing repairedHaving been heated 13aConsolidationTurn to page 29 ,complete the letter and the report.Retell the letter and the report to your partner, using your own language.14aKeys t