[2]谓语:陈述主语的动作、状态或特征

谓语(Predicate)是英语句子的核心组成部分,其核心功能是“陈述主语的动作、状态或特征”,回答“主语做什么”“主语是什么”或“主语怎么样”的问题。一个完整的句子必须包含“主语+谓语”(主谓结构),谓语通常由动词或动词短语构成,且需与主语在“人称、数、时态”上保持一致(主谓一致)。

1. 谓语的本质:“主语的动作/状态”的载体

表“动作”:由实义动词(如run, eat, work)构成,描述主语发出的具体行为;

表“状态”:由系动词(如be, feel, seem)+ 表语(名词/形容词等)构成,描述主语的性质、身份或状态(即“主系表结构”,系动词属于谓语的核心);

表“动作的辅助意义”:由“情态动词/助动词+实义动词”构成,补充动作的“能力、意愿、时态、语态”等(如can speak, have eaten, is done)。

2. 谓语的构成类型

根据动词的性质和组合方式,谓语主要分为三类:

简单谓语:由单个动词(实义动词、系动词、情态动词、助动词)构成;

复合谓语:由“情态动词/助动词+实义动词”构成(如will do, have finished);

系表结构作谓语:由“系动词+表语”构成(如is happy, feels tired)。

一、简单谓语:由单个动词构成,直接陈述主语的动作或状态

简单谓语的核心是“单个动词”,包括实义动词(表动作)、系动词(表状态)、情态动词(表能力/意愿等),需注意与主语的“主谓一致”(主语单数,动词第三人称单数形式;主语复数,动词原形)。

1. She sings very beautifully.(她唱歌非常好听。实义动词sings作谓语,表“唱歌”的动作,主语she是第三人称单数,动词用sings)

2. They live in a small town near the mountain.(他们住在山附近的一个小镇上。实义动词live作谓语,表“居住”的动作,主语they是复数,动词用原形)

3. The cake tastes sweet.(这个蛋糕尝起来很甜。系动词tastes作谓语,表“尝起来”的状态,后接形容词sweet作表语)

4. He can swim across the river.(他能游过这条河。情态动词can作谓语,表“能力”,后接实义动词swim,但can本身是谓语核心)

5. The sun rises in the east every morning.(太阳每天早上从东方升起。实义动词rises作谓语,表“升起”的动作,主语the sun是单数,动词用rises)

6. We need to finish this work before Friday.(我们需要在周五前完成这项工作。实义动词need作谓语,表“需要”的动作,后接不定式to finish作宾语)

7. The flowers are very colorful in spring.(春天的花非常鲜艳。系动词are作谓语,表“是”的状态,后接形容词colorful作表语)

8. My brother plays basketball every weekend.(我弟弟每个周末打篮球。实义动词plays作谓语,表“打”的动作,主语my brother是单数,动词用plays)

9. This book belongs to my teacher.(这本书属于我的老师。实义动词belongs作谓语,表“属于”的动作,主语this book是单数,动词用belongs)

10. The weather gets cold in November.(十一月天气变冷。系动词gets作谓语,表“变得”的状态,后接形容词cold作表语)

二、复合谓语:由“情态动词/助动词+实义动词”构成,补充动作的辅助意义

复合谓语的核心是“动词组合”,其中:

情态动词(can, may, must, will, would, should等)表“能力、许可、义务、意愿”;

助动词(do/does/did, have/has/had, be动词)表“时态、语态、强调”(如do用于一般现在时否定/疑问,have用于完成时,be用于进行时/被动语态)。

1. You must finish your homework before watching TV.(你必须在看电视前完成作业。情态动词must+实义动词finish构成复合谓语,表“义务”)

2. They have lived in this city for 10 years.(他们在这座城市住了10年了。助动词have+实义动词lived构成复合谓语,表现在完成时,强调“住”的动作持续到现在)

3. She will visit her grandparents next Sunday.(她下周日会去看望祖父母。情态动词will+实义动词visit构成复合谓语,表“将来的意愿”)

4. The meeting is being held in the conference room now.(会议现在正在会议室举行。助动词is being+实义动词held构成复合谓语,表现在进行时的被动语态,强调“被举行”的动作正在进行)

5. He did not attend the meeting yesterday because he was ill.(他昨天因为生病没参加会议。助动词did not+实义动词attend构成复合谓语,表一般过去时的否定,强调“没参加”的动作)

6. We should help each other when we are in trouble.(当我们遇到困难时,应该互相帮助。情态动词should+实义动词help构成复合谓语,表“建议/义务”)

7. The letter has been sent to his address already.(这封信已经寄到他的地址了。助动词has been+实义动词sent构成复合谓语,表现在完成时的被动语态,强调“被寄出”的结果)

8. They are going to plant more trees in the park next month.(他们下个月打算在公园里种更多树。助动词are going to+实义动词plant构成复合谓语,表“计划中的将来动作”)

9. She can speak three languages: English, French and Chinese.(她会说三种语言:英语、法语和中文。情态动词can+实义动词speak构成复合谓语,表“能力”)

10. The workers were building a new road when it started to rain.(下雨时,工人们正在修一条新路。助动词were+实义动词building构成复合谓语,表过去进行时,强调“修”的动作在过去某个时刻正在进行)

三、系表结构作谓语:由“系动词+表语”构成,描述主语的状态或特征

系表结构的核心是“系动词”,表语(名词、形容词、介词短语等)则补充说明主语的“身份、性质、状态”,二者共同构成谓语(缺一不可,单独的系动词无法完整表义)。常见系动词分为三类:

状态系动词:be(是);

感官系动词:look(看起来)、sound(听起来)、smell(闻起来)、taste(尝起来)、feel(摸起来);

变化系动词:get(变得)、become(成为)、turn(变成)、grow(变得)、go(变得,多表负面变化)。

1. My father is a doctor in a local hospital.(我爸爸是当地一家医院的医生。状态系动词is+名词a doctor构成系表结构作谓语,表主语的“身份”)

2. The music sounds very relaxing after a long day’s work.(工作了一整天后,这首音乐听起来非常令人放松。感官系动词sounds+形容词relaxing构成系表结构,表主语的“特征”)

3. The little girl looks happy because she got a new toy.(这个小女孩看起来很开心,因为她得到了一个新玩具。感官系动词looks+形容词happy构成系表结构,表主语的“状态”)

4. The milk has gone bad because it was left outside for too long.(牛奶变质了,因为它在外面放太久了。变化系动词gone+形容词bad构成系表结构,表主语的“负面变化”)

5. This story is very interesting and all the children like it.(这个故事非常有趣,所有孩子都喜欢它。状态系动词is+形容词interesting构成系表结构,表主语的“特征”)

6. The leaves turn yellow when autumn comes.(秋天来临时,树叶变黄。变化系动词turn+形容词yellow构成系表结构,表主语的“颜色变化”)

7. The cake smells delicious and I can’t wait to eat it.(这个蛋糕闻起来很香,我迫不及待想吃了。感官系动词smells+形容词delicious构成系表结构,表主语的“特征”)

8. He became a famous writer after his first book was published.(他的第一本书出版后,成了一名著名的作家。变化系动词became+名词a famous writer构成系表结构,表主语的“身份变化”)

9. The cloth feels soft and it is suitable for making clothes.(这种布料摸起来很软,适合做衣服。感官系动词feels+形容词soft构成系表结构,表主语的“触感特征”)

10. The weather grows colder as winter approaches.(随着冬天临近,天气变得越来越冷。变化系动词grows+形容词colder构成系表结构,表主语的“逐渐变化”)

四、谓语使用的核心注意事项

1. 主谓一致:谓语动词的“人称、数”必须与主语保持一致(主语单数,动词用第三人称单数;主语复数,动词用原形)。

错误:She like reading books.(主语she是单数,动词like应改为likes)

正确:She likes reading books.

2. 系表结构不可拆分:系动词必须与表语连用才能完整表义,不可单独使用(如不能说“The flower is.”,需补充表语,如“The flower is beautiful.”)。

3. 复合谓语的动词搭配情态动词后必须接“动词原形”(如can do,不可说can does);助动词需根据时态/语态选择正确形式(如现在完成时用have/has+过去分词,不可说have+原形)。

4. 避免“双谓语”错误:一个句子中不能同时出现两个独立的谓语动词(需用连词或非谓语动词连接)。

错误:He go to school take the bus.(go和take都是谓语动词,无连接词,且go应改为goes)

正确:He goes to school and takes the bus.(用and连接两个并列谓语,均用第三人称单数)

英语基础