1、文档仅供参考,如有不当之处,请联系改正。句子成份:句子成份是指组成句子各个部分,即:主语、谓语、表语、宾语(直接宾语和间接宾语)、补足语、定语、状语等。主要成份:主语 和 谓语次要成份:表语、宾语、补足语、定语、状语 等第1页文档仅供参考,如有不当之处,请联系改正。(一)主语Subject:主语是一个句子主要成份,也是句子所叙述主体,普通位于句首,表示句子所说是“什么人”或“什么事物”。第2页文档仅供参考,如有不当之处,请联系改正。1.Tom is a good boy.(名词)2.We often speak English in class.(代词)3.One-third of the s
2、tudents in this class are girls.(数词)4.To swim in the river is a great pleasure.(不定式)5.Smoking does harm to the health.(动名词)第3页文档仅供参考,如有不当之处,请联系改正。6.The rich should help the poor.(名词化形容词)7.When we are going to have an English test has not been decided.(主语从句)8.It is necessary to master a foreign langu
3、age.(it为形式主语,真正主语是不定式)第4页文档仅供参考,如有不当之处,请联系改正。(二)谓语Predicate:谓语说明主语所做动作或含有特征和状态。说明主语“做什么”、“是什么”或“怎么样”,普通由动词或动词短语来充当,普通放在主语之后。谓语和主语在人称和数两方面必须一致。谓语组成以下:第5页文档仅供参考,如有不当之处,请联系改正。1.简单谓语:由一个动词或动词短语组成。比如:I like apples.(动词)He practices running every morning.(动词短语)第6页文档仅供参考,如有不当之处,请联系改正。2.复合谓语:(1)由(情态动词或其它助动词+
4、动词原形)组成;You may keep the book for two weeks.He has caught a bad cold.(2)由(系动词+表语)组成。We are having a quick breakfast.第7页文档仅供参考,如有不当之处,请联系改正。(三)表语Predicative:表语用于说明主语性质、身份、特征和状态等,说明主语“是什么”或“怎么样”。它普通位于系动词(如be,keep,remain,become,get.grow,turn,look,seem,feel,smell,sound,taste等)之后。表语须和连系动词一起组成句子复合谓语,即成系表结
5、构。第8页文档仅供参考,如有不当之处,请联系改正。1.My mother is a doctor.(名词)2.Is it yours?(代词)3.The weather has turned cold.(形容词)4.The speech is exciting.(现在分词)5.The door is closed.(过去分词)6.Three times seven is twenty one.(数词)第9页文档仅供参考,如有不当之处,请联系改正。7.His job is to teach English.(不定式)8.His hobby is playing football.(动名词)9.T
6、he machine must be out of order.(介词短语)10.Time is up.The class is over.(副词)11.The truth is that he has never been abroad.(表语从句)第10页文档仅供参考,如有不当之处,请联系改正。(四)宾语Object:宾语表示动作对象或承受者,普通位于及物动词和介词后面,和及物动词一起说明主语“做什么”,如:第11页文档仅供参考,如有不当之处,请联系改正。1.They went to see an exhibition yesterday.(名词)2.The heavy rain prev
7、ented me from coming to school on time.(代词)3.How many dictionaries do you have?I have three.(数词)第12页文档仅供参考,如有不当之处,请联系改正。4.They helped the old with their housework yesterday.(名词化形容词)5.He pretended not to see me.(不定式)6.I enjoy listening to popular music.(动名词)7.I think(that)he is fit for this job.(宾语从句)第13页文档仅供参考,如有不当之处,请联系改正。双宾语(间接宾语+直接宾语),比如:Lend me your dictionary,please.=Lend your dictionary to me,please.第14页