Unit 5 The power of nature Period Three Grammer课件（17张PPT）

课件17张PPT。The Present Participle as Adverbial （现在分词作状语）When they heard about the volcano, they ran down to the village. They heard about the volcano. They ran down to the village. They heard about the volcano and ran down to the village. 2.After the scientists had studied the information,they predicted that the lava would flow through the village. The scientists had studied the information.They predicted that the lava would flow through the village.Hearing about the volcano, they ran down to the village. Having studied the information, the scientists predicted that the lava would flow through the village.Conclusion:b. 分词的一般式说明分词的动作与主句的谓语动词的动作是同时发生的或者没有明显的先后关系.c. 分词的完成式说明分词的动作发生在主句谓语动词的动作之前.a.分词作状语时，分词的逻辑主语必须与句子的主语一致。Hearing about the volcano, they ran down to the village.Reading the letter, tears came to her eyes.X-ing分词作状语可以表示时间、原因条件、让步结果 、方式或伴随情况等。 现在分词作状语-ing分词短语作时间状语，相当于一个时间状语从句，有时可由连词when, while引出。如： Seeing those pictures, she remembered her childhood.?????? 看到那些画，他想起了她的童年。 While reading the book, he nodded from time to time.? ?????? 他一边看书，一边不时地点头。 。 -ing分词短语作原因状语，相当于一个原因状语从句。如： Not knowing his address, I can’t send this book to him.?????? 因为不知道他的地址，我不能把这本书送给他。Being so excited, Many of us couldn’t go to sleep that night.??? 因为非常激动，那晚我们许多人都没睡着-ing分词间或也可作条件状语和让步状语，相当于一个状语从句。如：Using your head, you will find a way. Knowing all this, they made me pay for the damage.?????? 尽管知道了一切情况，他们还是要我赔偿损失。??? –ing分词短语作结果状语。如： His father died, leaving him a lot of money.?? 他父亲死了，留给他许多钱。 The song is sung all over the country, making it the most popular song. -ing分词作伴随状语，可以放在句子的前面、后面或中间，表示主语的另一个、较次要的动作。如： They stood there for half an hour watching the stars in the sky.??? 他们在那儿站了半小时，观察着天上的星星。Following the old man, the young people started walking slowly. 年轻人跟在老人的后面开始慢慢地走起来。 2. –ing形式的完成式3. Ing形式的否定式 After he heard a strong sound, he went out of the room for a look.= Hearing a strange sound, he went out of …. As the girl was seriously ill, she was taken to hospital immediately.Being seriously ill, the girl was taken to ….be - being As she didn’t know any French, she couldn’t get any one to help her.Not knowing any French, she couldn’t get any one to help her.4.一些固定的-ing分词短语，如 generally speaking（一般来说）, judging from…（根据……来判断）, considering…（考虑到……）, talking of…（谈到……，提到……）等等ConsolidationThe secretary worked late into the night, _____ a long speech for the president. A. to prepare B. preparing C. prepared D. was preparing 2. European football is played in 80 countries, _____ it the m ... ...