内容正文:
学生姓名: 年 级:初三 课时数:3
辅导科目:英语 辅导教师:
辅导内容:动词和动词短语 辅导日期:
教学目标:1、学会辨析这动词词性
2、熟练运用动词词组
【同步知识梳理】
动词
动词可以分为四类:实义动词、连系动词、助动词和情态动词。
(一)实义动词
实义动词是能独立作谓语的动词。按其句法作用可分为及物动词和不及物动词。按其持续性可分为延续性动词和非延续性动词
1.及物动词(vt.):及物动词本身意义完整,需要接宾语才能使其意思完整。
I like this book very much.
I saw the children play in the park yesterday.
Please pass me the salt.
2.不及物动词(vi.):不及物动词自身意思完整,无需接宾语。如果接宾语的话,需要在动词后加介词。
Horses run fast.
Listen to the teacher carefully.
He turned off the light when he left.
Please pay attention to the phrases in the article.
She is satisfied with what I did.
(二)系动词
①定义:当用一个名词、形容词对主语的职业、特征、性质进行描述时,名词、形容词不能直接放到主语后,而要用一个动词把主语和形容词等连起来,这种动词就是系动词。系动词就是联系主语和这些名词、形容词的词。系动词后的名词、形容词叫表语。系动词没有被动语态的形式,也不能用于进行时态。
②分类:
1)状态系动词:表示主语状态的be,
2)表示主语保持一种状态的keep, stay, remain
3)感官系动词:feel, smell, sound, taste, look, seem,这类系动词还可以用作实义动词,
4)变化系动词:become, grow, turn, fall, get, go.
He is strong.
The song sounds very beautiful.
The leaves turn brown in autumn
③系动词的用法:
1).系动词不能单独作句子的谓语
系动词只是起到一个连接的作用,所以不能单独做谓语,必须在后面接一个表语成份,这样句子意思才清楚、完整。
He looks nervous.
The music sounds sweet
2).系动词后面可直接用形容词,不能用副词
系动词可可直接在后面接形容词, 包括用作形容词的现在分词、过去分词。这一点是实义动词(及物动词和不及物动词) 所没有的。
The task proved more difficult than we'd thought.
3).系动词不能用于被动语态。
因为系动词表示的只是事物的状态,没有明显的动作现象,所以绝大多数系动词不用被动语态。例如:
我们可以说:
The leaves are becoming yellow. (树叶渐渐变黄了。)
The kind of cloth feels soft.
(三)助动词的用法
这类词本身无词义,不能单独作谓语,必须与其它的动词连用,帮助构成时态、语态、否定句和疑问句等结构。常用的助动词有:be, have, has, had , do, does , did , will 和shall等。
1. 助动词be(am, is , are , was , were)
(1)“助动词be + 现在分词”构成进行时
①The students are having an English class.
②They asked me what I was doing at that time of yesterday.
(2)“助动词be + 过去分词”构成被动语态
①A big library is being built in our school .
②Something has been done to protect the environment .
2. “助动词have(has ,had)+过去分词”构成完成时态
①They have learned more than two thousand English words so far .
②Great changes