Unit5ExpandedSentenceBase(I)解读.ppt

Time_E_HO.ppt: p. * Rev. 01/22/99 Unit 5Expanded Sentence Base (1) Introduction After 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? attributes relative clause Attributes Incomplete sentences word order Relative clause Unit 5 Attributes Definition: 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 cat Classroom activities: P58 narrow down/make it specific add more detailed descriptions What can be used as attributes? 1.Determiners Determiners 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： What can be used as attributes? Articles: a, an, the Possessive prons物主代词：my, your, ones Genitive nouns 名词属格：Johns Demonstrative prons指示代词：this, those, such Indefinite 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) What can be used as attributes? 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 suits 6. Infinitives:refer to a future action (after) 7. Prepositional phrases: place purpose (after) Exercises (p61) Relative clause Page 64: Classroom activities Why 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 6