Unit-5-Expanded-Sentence-Base-1英语教学课件.ppt

Unit 5Expanded Sentence Base (1) IntroductionAfter learning how to choose words and how to produce correct simple sentences, it is high time we began to consider how to expand our sentences.This unit focuses on how to write longer sentences by expanding the nouns in the sentences. How? attributesrelative clause AttributesIncomplete sentences word orderRelative clauseUnit 53. AttributesDefinition: Words or phrases used to narrow down or decribe nouns are called attributes.Functions: e.g. 1. the cat 2. the cat in the tree 3. the fat and lazy catClassroom activities: P58narrow down/make it specificadd more detailed descriptions What can be used as attributes?1.DeterminersDeterminers refer to words that are used to define the referential meaning of a noun or a nominal phrase. 限定词是在名词词组中对名词中心词起特指、类指以及表示确定数量和非确定数量等限定作用的词类。包括：Articles: a, an, thePossessive prons物主代词：my, your, onesGenitive nouns 名词属格：JohnsDemonstrative prons指示代词：this, those, suchIndefinite prons不定代词：some, any, each, either, all, both...Cardinalordinal numeral基数词和序数词Quantifier量词：a lot of, a great deal of What can be used as attributes?2. Adjetives: (before after)3. Nouns: the feature of the noun (before)4. -ing forms: the function, feature, state (before after)5. -ed forms: (before after) Note: Sometimes, if there is only an adverb modifying the -ed form, we may also put it before the noun. For example: well-tailored suits6. Infinitives:refer to a future action (after)7. Prepositional phrases: place purpose (after)Exercises (p61) Relative clausePage 64: Classroom activitiesWhy use relative clauses? 1. To expand sentences: to make the noun either more exact or more vivid; to put more information. Page 64: Exercise (3 versions) 2. To direct readers’ attention to ideas in the main clause.Page 64: Classroom activities Grammar： incomplete sentencesA complete sentence should have at least a subject and a predicate. An incomplete senten