Is Be A Helping Verb? | The Auxiliary Role

Many learners find themselves pausing when they encounter the verb ‘be,’ wondering about its exact function in a sentence. This foundational verb in English possesses remarkable versatility, sometimes making its precise role seem ambiguous. Understanding when ‘be’ acts as an auxiliary verb is key to mastering English grammar and constructing clear sentences.

Understanding Auxiliary Verbs

Auxiliary verbs, often called helping verbs, work alongside a main verb to express grammatical nuances such as tense, aspect, mood, or voice. They do not carry the primary meaning of the action or state; instead, they provide grammatical context to the main verb. Common auxiliary verbs in English include forms of ‘be,’ ‘do,’ and ‘have.’

• Tense: Auxiliaries help indicate when an action occurs (e.g., past, present, future).
• Aspect: They clarify the duration or completion of an action (e.g., continuous, perfect).
• Voice: Auxiliaries distinguish whether the subject performs the action (active) or receives it (passive).
• Mood: They can also contribute to expressing possibility, necessity, or command.

A sentence with an auxiliary verb always features a main verb that carries the core semantic meaning. The auxiliary verb modifies this main verb, providing essential grammatical information that the main verb alone cannot convey.

The Many Forms of “Be”

The verb ‘be’ is highly irregular and has numerous forms, each used in specific grammatical contexts. These forms are crucial for its function as an auxiliary verb, allowing it to adapt to different subjects and tenses. Recognizing these forms is the first step in identifying ‘be’ as a helping verb.

• Base Form: be
• Present Tense: am (first person singular), is (third person singular), are (second person singular, all plural)
• Past Tense: was (first and third person singular), were (second person singular, all plural)
• Present Participle: being
• Past Participle: been

Each of these forms can serve as an auxiliary verb when paired with a main verb, or as a main verb itself, depending on the sentence structure. For instance, ‘am’ in “I am running” assists ‘running,’ while ‘am’ in “I am a student” stands alone as the main verb.

“Be” in Progressive Tenses

‘Be’ is indispensable for forming the progressive (or continuous) tenses in English. These tenses describe actions that are ongoing at a particular time. The structure consistently involves a form of ‘be’ followed by the present participle (the -ing form) of the main verb.

Present Progressive

This tense indicates an action happening now. The auxiliary ‘be’ (am, is, are) combines with the present participle.

1. “She is reading a book.” (‘is’ helps ‘reading’)
2. “They are studying for the exam.” (‘are’ helps ‘studying’)
3. “I am writing an essay.” (‘am’ helps ‘writing’)

Past Progressive

This tense describes an action that was ongoing at a specific point in the past. The auxiliary ‘be’ (was, were) combines with the present participle.

1. “He was sleeping when the phone rang.” (‘was’ helps ‘sleeping’)
2. “We were discussing the project all afternoon.” (‘were’ helps ‘discussing’)

Future Progressive

This tense indicates an action that will be ongoing at a specific point in the future. The structure uses ‘will be’ followed by the present participle.

1. “By noon, she will be traveling to the conference.” (‘will be’ helps ‘traveling’)
2. “They will be celebrating their anniversary next month.” (‘will be’ helps ‘celebrating’)

“Be” in the Passive Voice

The passive voice is another grammatical construction where ‘be’ functions as a crucial auxiliary verb. In the passive voice, the subject of the sentence receives the action, rather than performing it. The structure involves a form of ‘be’ followed by the past participle of the main verb.

Passive Voice Construction

The core pattern for the passive voice is: Subject + form of ‘be’ + past participle of main verb.

1. “The letter was written by the student.” (‘was’ helps ‘written’)
2. “The new policy is being implemented next week.” (‘is being’ helps ‘implemented’)
3. “Errors have been corrected.” (‘have been’ helps ‘corrected’)

The passive voice is often used when the doer of the action is unknown, unimportant, or when the focus is on the action itself or the recipient of the action. Understanding its formation with ‘be’ is essential for varying sentence structure and emphasis.

Here is a summary of ‘be’ forms and their auxiliary roles:

Form of “Be”	Auxiliary Role	Example Sentence
am, is, are	Present Progressive, Present Passive	She is singing. The book is read.
was, were	Past Progressive, Past Passive	They were dancing. The meal was prepared.
being	Continuous Passive	The house is being built.
been	Perfect Progressive, Perfect Passive	He has been waiting. The work had been done.

“Be” as a Main Verb: Linking and Existence

While ‘be’ frequently acts as an auxiliary, it also serves as a main verb in its own right. When ‘be’ functions as a main verb, it does not assist another verb; instead, it carries the primary meaning of the sentence. Its main roles as a main verb are linking and indicating existence.

Linking Verb

As a linking verb, ‘be’ connects the subject of a sentence to a subject complement. The subject complement renames or describes the subject. It can be a noun, a pronoun, or an adjective. In this role, ‘be’ expresses a state of being, identity, or quality.

• “She is a doctor.” (‘is’ links ‘she’ to ‘doctor’)
• “The sky was blue.” (‘was’ links ‘sky’ to ‘blue’)
• “They are happy.” (‘are’ links ‘they’ to ‘happy’)

In these instances, ‘is,’ ‘was,’ and ‘are’ are not helping another verb; they are the central verbs conveying the relationship between the subject and its complement.

Existential Verb

Sometimes, ‘be’ indicates existence, particularly in constructions beginning with “there is” or “there are.” In these cases, ‘be’ signifies that something exists or is present.

• “There are many stars tonight.” (‘are’ indicates the existence of stars)
• “There was a problem with the engine.” (‘was’ indicates the existence of a problem)

Here, ‘be’ is the main verb asserting presence, not assisting another action verb.

Distinguishing Auxiliary “Be” from Main “Be”

Clearly differentiating between ‘be’ as an auxiliary verb and ‘be’ as a main verb is fundamental for accurate grammatical analysis. The key lies in observing what follows the form of ‘be’ in a sentence.

Auxiliary “Be”

When ‘be’ is an auxiliary verb, it is always followed by another verb form—specifically, a present participle (-ing form) for progressive tenses or a past participle for the passive voice. This accompanying verb is the main verb that carries the core meaning.

• “The students are writing reports.” (‘are’ is auxiliary, ‘writing’ is main verb)
• “The reports were submitted yesterday.” (‘were’ is auxiliary, ‘submitted’ is main verb)

The auxiliary ‘be’ provides grammatical information about the action expressed by the main verb.

Main Verb “Be”

When ‘be’ is a main verb, it is not followed by another verb. Instead, it is typically followed by a noun, pronoun, adjective, or an adverbial phrase (indicating location or time). In these cases, ‘be’ itself conveys the primary meaning of the sentence, often linking the subject to a description or indicating existence.

• “She is intelligent.” (‘is’ is main verb, followed by adjective ‘intelligent’)
• “The meeting was at noon.” (‘was’ is main verb, followed by adverbial phrase ‘at noon’)
• “They are engineers.” (‘are’ is main verb, followed by noun ‘engineers’)

A helpful strategy is to look for a subsequent verb. If one exists, ‘be’ is likely an auxiliary. If not, ‘be’ stands alone as the main verb. For additional insights into verb types, a resource such as the Purdue Online Writing Lab offers comprehensive explanations.

The following table illustrates the distinction:

“Be” as Auxiliary Verb	“Be” as Main Verb
Followed by a present participle (-ing verb) for progressive tenses.	Followed by a noun, pronoun, or adjective (subject complement).
Followed by a past participle for passive voice.	Followed by an adverbial phrase (e.g., location, time).
Assists another verb to convey tense, aspect, or voice.	Conveys a state of being, identity, quality, or existence.
Example: “He is studying.”	Example: “He is a student.”

The Historical Development of Auxiliaries

The role of ‘be’ as an auxiliary verb is not a static feature of English; it has evolved over centuries. In Old English, many constructions that now use auxiliaries relied on inflections (changes to the main verb’s ending) to convey tense and aspect. The grammaticalization of verbs like ‘be’ and ‘have’ into auxiliaries represents a significant shift in the language’s structure.

• Old English Period (c. 450-1150 AD): Verbs were heavily inflected. The concept of auxiliary verbs was less developed, though rudimentary forms existed.
• Middle English Period (c. 1150-1500 AD): The use of ‘be’ for progressive constructions began to emerge, becoming more common. The passive voice also started to solidify its modern form with ‘be’ and a past participle.
• Early Modern English (c. 1500-1800 AD): The auxiliary system largely stabilized into the patterns we recognize today. This period saw the widespread adoption of ‘be’ for both progressive tenses and the passive voice, contributing to greater analytical clarity in sentence structure.

This historical trajectory shows how ‘be’ transitioned from primarily a main verb of existence to a versatile grammatical tool. This evolution allowed English to express complex temporal and aspectual meanings with greater precision, moving away from a reliance on verb endings.

Why This Distinction Matters for Clear Communication

Understanding the dual nature of ‘be’—as both an auxiliary and a main verb—is more than an academic exercise; it directly impacts the clarity and precision of communication. Misinterpreting its role can lead to grammatical errors, awkward phrasing, and even unintended meanings.

• Grammatical Accuracy: Correctly identifying ‘be’ helps in forming grammatically sound sentences, particularly when constructing progressive tenses or the passive voice. This accuracy is fundamental for effective writing and speaking.
• Meaning and Emphasis: The choice between active and passive voice, often governed by ‘be,’ changes the emphasis of a sentence. Knowing when and how to use ‘be’ in the passive voice allows a speaker or writer to strategically highlight the action’s recipient or the action itself.
• Sentence Structure: Recognizing ‘be’ as a linking verb helps in understanding how subjects are connected to their descriptions, ensuring that sentences flow logically and express complete thoughts.

Proficiency with ‘be’ in its various roles enhances one’s ability to construct nuanced and precise statements. It enables learners to manipulate sentence structure deliberately, conveying exact meanings and avoiding ambiguity. The Merriam-Webster dictionary provides comprehensive definitions and usage examples for ‘be’ and other verbs, reinforcing these distinctions.