Unit-6-Expanded-Sentence-(II)第六单元课件.pptVIP

Unit 6 Expanded Sentence Base (II)1. IntroductionBesides relative clause, we can expand sentences with the help of participles.Participles refer to the –ing and -ed forms of verbs, used for descriptive purposes.Usually we call the –ing form the present participle, and the –ed form the past participle. 2. Warm-up activitiesFinish the exercises in Page 75 and discuss the effects of using the –ing and –ed forms.Sentence1-2: use participles as attributes.Sentence 3-4: use participles to indicate simultaneous action.Sentence 5-6: use participles as absolute constructions.3. Look at the following sentences,. What does the italicized words modify?a. The crying girl picked up her broken piggy bank.b. The boy and the girl, singing and dancing, went home together.When we use a verb to describe a noun, there must be a logical relationship between them: the noun either carries out the action or receive the action. If the noun carries out the action, it is the logical subject of the verb, and we should use the present participle. (-ing form); if the noun receives the action, it is the logical object of the verb, and we should use the past participle. (-ed form)4. a. The trembling old man stood by the broken window.b. Frightened by a strange noise downstairs, he went down slowly, holding his gun in his hand.c. Together the friends followed the trail, picking up the fallen raspberries as they went along.Let’s see more sentences.Is there difference between the italicized word in sentence b and sentence a and c?5. As you might have noticed that, in sentence b, frightened and holding are not used alone. When a participle is used with other words to express a more complete idea, it becomes a participle phrase.Please read the sentences in Page 77 and identify the participles and explain their functions.6. Complex participle phraseA. present participles in different modes and aspects1. Watching the movie, the boy became very excited.2.Having watched the movie, the boy became very excit