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Differentiate between Maybe and May be in English & Practice exercises
This guide distinguishes between "maybe" (adverb of possibility) and "may be" (verb phrase indicating potential). "Maybe" functions as a replaceable adverb similar to "perhaps," while "may be" combines the modal "may" with the verb "be." The content centers on their correct contextual usage, offering substitution tests and highlighting common errors. For global English learners and business professionals, mastering this distinction is crucial—misuse can undermine credibility, damage professional relationships, and create confusion in international correspondence, potentially affecting negotiations and business outcomes.

I. The Common Confusion: Why Maybe and May Be Trip Us Up
The confusion between Maybe and May Be ranks among the most prevalent grammatical errors for all English speakers. Their identical pronunciation creates perfect conditions for mix-ups in writing, where distinction becomes crucial.
This isn't merely academic pedantry—these errors carry real consequences:
- In professional settings, writing "The project maybe completed by Friday" instead of "may be completed" undermines credibility
- Academic work suffers when such mistakes diminish argument clarity
- Subtle meaning shifts can lead to significant miscommunication
These seemingly minor errors alter both meaning and clarity, potentially disrupting important communication in business and academic contexts.
II. What is Maybe?
Before we proceed to distinguish between Maybe and May be in English, let's explore the concept of "Maybe" together with PREP, shall we?
1. Definition
"Maybe" functions as a single-word adverb expressing possibility or uncertainty. This linguistic signpost indicates something might occur without making definitive claims.
Key characteristics:
- Modifies verbs, adjectives, or entire clauses
- Adds a layer of uncertainty to statements
- Can be substituted with "perhaps" or "possibly" without altering sentence structure
- Provides a concise way to express nuanced possibility
This straightforward term belongs to the same semantic family as other adverbs of possibility, making it valuable for expressing uncertainty in various contexts.

2. Common structures
Maybe stands at the beginning of a sentence with the following structures:
Maybe + S + V + (O) …
For example:
- Maybe they’ll come tomorrow.
- Maybe you were right after all.

When positioned in the middle or at the end of a sentence, Maybe is often used to modify verbs, adjectives, or the overall meaning of the sentence. For example:
- I think maybe I ought to go around there and apologize for what I said.
- There were maybe 50 people there when I left.
3. The usage
The most distinct difference between Maybe and May be is reflected in their usage. In what situations is Maybe typically used? Let's find out with PREP right below!
3.1. When the speaker is not certain about something happening or something being true
We use Maybe when we are uncertain about something happening or something being true. For example:
- Maybe the concert will be postponed due to the bad weather forecast, so we should check for updates before heading out.
- Maybe Jane will come to the meeting later; she said she had something to finish first.

3.2. Indicating an approximate or uncertain quantity/figures
In addition to using "Approximately" to express an estimate of quantity, we can also use Maybe. For example:
- There were maybe around 50 people at the party last night, but I didn’t count them exactly.
- The project might take maybe three to four weeks to complete, depending on how smoothly everything goes.

3.3. Making suggestions, recommendations
Maybe can also be used to make suggestions or recommendations. For example:
- Maybe we should try that new restaurant downtown for dinner tonight. I heard their food is really good.
- Maybe you could try studying in the morning when your mind is fresher.

3.4. Responding to a question/idea when unsure whether to agree or not
When you are unsure whether to agree or not to a question or invitation, you can also use maybe. For example:
- A: Do you think we should go hiking this weekend?
- B: Maybe, but I’m not sure if I have all the necessary gear.

4. Common phrases including Maybe
Below are common phrases including Maybe.
- Maybe another time/Maybe some other time.
- Mama’s baby, papa’s maybe.
- Call me maybe.
- I don’t mean maybe.
5. Synonyms of Maybe
Apart from using only "Maybe" in a sentence, you can apply more flexibility by using synonymous phrases with it that PREP provides below:

Synonyms of Maybe |
Example |
Perhaps |
Perhaps we can go out this weekend if the weather is good. |
Possibly |
I’ll possibly have some free time later in the day to help you with your project. |
Maybe so |
Maybe so, but let’s see how you do without my help. |
Conceivably |
Conceivably, we might be able to finish the task before the deadline if we work together efficiently. |
It’s possible |
It’s possible that the event could be postponed due to the current situation. |
Chances are |
Chances are, they will announce the winners tomorrow. |
It could be the case that |
It could be the case that the restaurant is fully booked for the evening. |
It’s within the realm of possibility |
It’s within the realm of possibility that they might offer you a promotion. |
It’s a possibility |
It’s a possibility that the meeting will be rescheduled to a later time. |
II. What is May be?
To accurately distinguish between Maybe and May be in English, let's refer to the following content to understand what "May be" is and how to use this phrase.
1. Definition
"May be" functions as a two-word verb phrase with distinct grammatical elements:
- Modal auxiliary "may": Expresses possibility or permission
- Main verb "be": Provides essential verbal function
- Together: Indicates potential existence, occurrence, or truth
This construction allows expression of possible states or actions, adding nuance to uncertainty. "May" carries the possibility weight while "be" fulfills the sentence's verbal requirements, creating a grammatical structure fundamentally different from the single-word adverb "maybe."

2. The usage
"May be" is often used to add meaning to a sentence, indicating the possibility of an action or event. For example:
- They may be sisters.
- Nam may be writing an essay.

III. Differences between Maybe and May be
Below, PREP has provided a comparison between Maybe and May be to help you distinguish between the two words. Take a look at the differentiating table of Maybe and May be below to avoid confusion when using them!
Difference |
Maybe |
May be |
Part of speech |
adverb | A phrase including the modal verb “may” and a bare infinitive “be” |
Meaning |
Perhaps, possibly, likely | Perhaps, possibly, likely |
Position |
Maybe can be placed at the beginning, end, or middle of a sentence to modify verbs, adjectives, or adverbs. | May be only comes after the subject. |
Usage |
Maybe is used to express the possibility of something happening. | May be is used to talk about something uncertain; make invitations, suggestions, or respond with uncertain agreement. |
IV. Frequently Asked Questions (FAQs) for Further Clarification of Maybe and May Be
1. Is "maybe" simply a contracted form of "it may be"?
While "maybe" historically evolved from phrases like "it may be," in modern English it functions as an entirely distinct adverb. Despite their etymological relationship, these terms serve different grammatical functions and cannot be used interchangeably without compromising sentence structure.
2. Does "maybe" express a different level of certainty than "perhaps" or "possibly"?
Yes, subtle differences exist:
- "Maybe" suggests moderate possibility with a casual, conversational tone
- "Perhaps" conveys slightly higher formality, preferred in academic writing
- "Possibly" sometimes implies lower probability or greater uncertainty
3. Can "maybe" ever be used at the end of a sentence?
Yes, "maybe" can stand alone at the end of a sentence as a one-word response indicating possibility. For example: "Will you attend the conference? Maybe." This usage is perfectly grammatical and common in conversational English.
4. Is it ever correct to write "may be" at the beginning of a sentence?
Yes, but only when followed by a participle or when "may" and "be" function separately in a question format. Example: "May be joining us later is the CEO" or "May Betty come to the party?" It's never correct to begin a declarative sentence with "May be" when expressing possibility.
5. How can I remember the difference in everyday writing?
Think function: if you need an adverb expressing possibility (replaceable with "perhaps"), use "maybe." If you need a verb expressing a potential state or action (replaceable with "might be"), use "may be." This functional approach simplifies the decision in most writing contexts.
V. Key Takeaways & Final Encouragement
Mastering the difference between maybe and may be comes down to understanding their fundamental grammatical roles:
- "Maybe" (adverb of possibility) → replaceable with "perhaps"
- "May be" (verb phrase indicating potential) → replaceable with "might be"
With practice, distinguishing these terms of Maybe and May Be becomes second nature. Everyone encounters grammatical challenges, but developing this specific skill represents a significant step toward more precise, professional communication.
These small improvements enhance your ability to convey exactly what you intend with crystal clarity. By mastering such distinctions, you're strengthening your communication toolkit for more impactful expression across professional and academic contexts.
Apply the substitution tests when uncertain, and communicate with greater precision and confidence.
- IELTS online: Unlock Your IELTS Success Story.

Hi I'm Chloe, and I am currently serving as an Product Content Administrator at Prep Education. With over five years of experience in independent online IELTS study and exam preparation, I am confident in my ability to support learners in achieving their highest possible scores.
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