1.不定式构成谓语 不定式构成谓语有下面几种方式: 1)不带to的不定式和某些助动词构成谓语 Shall help you?

分词是一种非谓语动词,有现在分词(由v+ing构成)和 过去分词(v+ed构成)两种。分词具有形容词和副词的特 征,在句中可作表语、定语和补足语等

一、定语从句的基本用法 二、关系代词与关系副词 三、限制性定语从句与非限制性定语从句 四、关系代词”That与” Which” 五、As在定语从句中的用法

一、定语从句的基本用 二、关系代词与关系副词 三、限制性定语从句与非限制性定语从句

1.有“break”的动词短语 break down: a.(机器或车辆)出故障;坏掉e. the telephone system has broken down.电话系统瘫痪 了。b.失败e.g. . Negotiations between the two sides have broken down.双方谈判失败 了

后缀suffix 常见的构成名词的后缀 -ability ability stability availability -age leakage shortage shrinkage drainage -a/ denial dismissal renewal withdrawal burial -an American Russian Asian Indian African -ance admittance attendance endurance -ant accountant attendant contestant pollutant

Vocabulary structure Directions: Choose the best answer to complete each of the following sentences 1.The assignment for Thursday is to write composition about your hometown A)a five-hundred-words B)a five-hundred-word C)a five-hundreds-word D)a five-hundreds-words

动词的-ing形式在起名词作用时,称为动名词。动名词在句中可以: 1)用作主语: dancing bored him.(跳舞使他厌烦。)

What is Online Learning? In an online lesson, the computer displays material in response to a learner's request. The computer promotes the learner for more information and presents appropriate material based on the learners response. The material can be traditional lessons and tests that are transcribed into a computer program. The material can also be a complex program that tracks users'input and

Lecture 28: Substitution and Ellipsis 1 Substitution 1.1 Definition Substitution is a grammatical device for avoiding repetition and achieving textual cohesion. There are three kinds of substitution: nominal substitution, verbal substitution, and clausal substitution, and therefore there are three kinds of substitutes: nominal substitutes, verbal substitutes, and clausal substitutes. In addition, there are adverbial substitution and adverbial substitutes