Unit 2 Morals and Virtues Discovering Useful Structures 课件-2023-2024学年高中英语人教版（2019）必修第三册

非谓语动词 Can you say something about the non-finite verbs in terms of definition and forms ? 非谓语动词 （一）定义 在句中充当除______以外的句子成分的动词形式叫做非谓语动词。非谓语动词不受主语人称和数的限制，在句子中不能充当_____，但可以充当句子的其他成分，并且有______和_____的变化。 （二）形式 非谓语动词有_____、______和______三种基本形式。 谓语 谓语 时态 语态 to do doing done 非谓语动词 1 动词V-ing形式 动词­-ing形式由“动词原形＋-ing”构成，在句子中可以作主语、宾语、表语、定语、宾语补足语和状语。 动词-­ing形式的基本形式如下： Read the sentences below and fill in the blanks. … her brother complained, ________of the high tuition fees. 2._________ of all the people still in need of help, Dr. Lin opened a private clinic. 3. The new People's Republic of China saw Dr. Lin Qiaozhi _______a key role. 4. At times she was even seen _______a donkey to faraway village to provide medical care. adverbial adverbial object complement object complement thinking Thinking playing riding 1 动词V-ing作状语 Hearing the bell, we began to enter the classroom. Being talked to, you should look at the eyes of the person. Having dressed up, we went out to have some good local food. Having been caught in the rain for a long time, he was wet all over. -ing 形式作状语, 其逻辑主语须是主句的_____, 且分词必须和句中的主语含有逻辑上的__________________. -ing 作状语时的形式：（时间 & 语态） 主语 主谓关系/主动关系 1 动词V-ing作状语 1 动词V-ing作状语 Hearing the bell, we began … Being talked to, you should ... Having dressed up, we went out to… Having been caught in the rain for a long time, he was wet … 2. -ing 作状语时的形式： 一般式(doing/being done)： 完成式(having done/having been done)： ☆表示动作与谓语表示的动作(几乎)同时发生/发生之后； ☆表示动作发生在谓语动词表示的动作之前。 ☆表示现在，主动 1 动词V-ing作状语 3.-ing形式作状语, 修饰谓语动词或整个句子,表示动作 发生的原因、条件、让步、时间、结果、方式或伴随 状况等。现在分词一般不用作目的状语(通常不定式用作 目的状语). 1 动词V-ing作状语 – 时间状语 ① When I was walking in the street, I came across an old friend of mine.  ② While he was waiting for the bus, he read a copy of China Daily.  Walking in the street, I came across …. While waiting for the bus, he read a copy… 1 动词V-ing作状语 – 原因状语 ① As he was ill, he was absent from school.  ② Since you are a student, you have no choice but to study hard.  Being ill, he was absent f