Key Difference – Subject Complement vs Direct Object
Subject complement and direct object are two grammatical elements of a sentence, which follow the main verb of the sentence. Some English learners find it difficult to distinguish the difference between subject complement and direct object due to their similar position. Thekey difference在主题补充和直接对象之间是subject complement follows a linking verb whereas direct object follows a transitive verb.重要的是要注意,主题补充和直接对象不能在同一句子中发生。
What is a Subject Complement?
A subject complement is a noun,phrase, or clausethat follows alinking verbor state verb. A linking verb (also known as state verbs) is a verb that indicates a state; they do not indicate an action, unlikeaction verbs.
The main purpose of a subject complement is renaming or describing the subject. A subject complement can either be anounor anadjective。作用于主题补体的形容词也称为谓语形容词。谓词形容词描述了句子的主题。充当主题补语的名词称为谓语名词,其主要目的是重命名subject。例如,
1. Her father is a teacher.
Her father = teacher, is = linking verb, a teacher = subject complement
(The noun teacher, which acts as the subject complement, renames the subject father)
2. You seem sad.
You = subject, seem = linking verb, sad = subject complement
(The adjective sad, which acts as the subject complement, describes the subject you)
The following examples will help you to understand these grammatical concepts more clearly.
Peter isthe captain of the ship.
Lucy washappy。
This is我吃过的最好的一餐。
His new novel isvery boring.
Timmy isextremely active.
Miriam isthe best student in our class.
What is a Direct Object?
A direct object is a word, phrase or clause that follows a及物动词and receives the action of the verb or shows the result of the action. Transitive verb always denotes an action. You can find the direct object of a sentence by asking the question ‘whom’ or ‘what.’ For example,
I gave him a book.
What did you give him? – A book
Romeo loved Juliet.
罗密欧爱谁?- 朱丽叶
我在那部古老的电影中认出了女演员。
Whom did you recognize? – The actress in that old film.
Here are some more examples. Ask the question whom or what to find the direct object of the sentence.
He passed the ball to Jake.
She gave me a present.
I repaired his car.
The cat ate the mouse.
His neighbors had alerted the police.
He bought a valuable painting.
What is the difference between Subject Complement and Direct Object?
Preceding Verb:
Subject Complementfollows a linking verb.
Direct Objectfollows an action.
Purpose:
Subject Complementrenames, identifies or describes the subject.
Direct Objectand receives the action of the verb or shows the result of the action.
名词与形容词:
Subject Complementcan act a noun or adjective.
Direct Objectacts as a noun.
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