A coordinate construction is a sequence of semantically-related grammatical units that are similar in form, equal in rank of structure, identical in function and are connected by coordinators

连词是用来连接句子中的单词、短语及从句的虚词。 在句子中不能单独作句子成分,一般不重读,在英语 中连词的使用频率较高

Aims: 1. Structural properties of existential sentences 2. non-finite existential clauses Key words: existential sentence存在句, introductory(there)引导词

Lecture 15: Comparison and Comparative Construction 8.as+形容词或副词原级+as （1)在否定句或疑问句中可用so.as He cannot run so/as fast as you. （2)当as...as中间有名词时采用以下格式 as+形容词+aan+单数名词+as

Grammar is the structural system of a language. The grammar of English is organized into five ranks: the sentence, the clause, the phrase, the word and the morpheme. Each rank is composed of one or more than one grammatical unit of the immediate lower unit. A full sentence can generally be segmented rank by rank down to its smallest constituents---the morphemes

Lecture 11-13: Subjunctive Mood 第一部分:语气的定义和种类 1语气(mood) 语气是动词的一种形式,表示说话人对某一行为或事情的看法和态度。 2语气的种类 (1)、陈述语气:表示动作或状态是现实的、确定的或符合事实的,用于陈述句、疑问句和某些感叹句。如① There are two sides to every question.每个问题都有两个方面。 ② Were you busy all day yesterday?昨天一整天你都很忙吗? ③ How good teacher she is她是多好的一位老师啊

Lecture 9: Verb Tenses 1一般现在时的用法 （1)经常性或习惯性的动作,常与表示频腮度的时间状语连用。 I leave home for school at 7 every morning. （2)客观真理,客观存在,科学事实

8非谓语动词 在句子中充当除谓语以外的句子成分的动词形式叫做 非谓语动词。非谓语动词分为三种形式不定式,动名 词,和分词(分词包括现在分词和过去分词)

代词(Pronoun) 代词是代替名词的一种词类。大多数代词具有 名词和形容词的功能。英语中的代词,按其意 义、特征及在句中的作用分为:人称代词 (Personal Pronoun)、物主代词(Possessive Pronoun) 指示代词(Demonstrative Pronoun)、自身代词 ( Reflexive Pronoun)、相互代词( Reciprocal Pronoun)、疑问代词(Interrogative Pronoun)、关 系代词(Relative Pronoun)和不定代词(Indefinite Pronoun)八种

名词是表示人或物的名称的词。名词可以根据 其词汇意义,分为普通名词(Common Noun)和专 有名词(Proper Noun)。普通名词又可分为物质 名词(Material Noun)、抽象名词(Abstract Noun)