Can Not vs Cannot: Which One Should You Use?

Understanding the Difference between “Can Not” and “Cannot”
“Can not” and “cannot” are two different ways to express the negative form of the verb “can.” “Cannot” is the standard and more widely accepted form in both British and American English. It is a contraction of “can not,” where the two words are merged into one and the letter “o” is replaced by an apostrophe. “Can not,” on the other hand, is not considered incorrect, but it is less common and typically only used in specific situations or for emphasis. Understanding the difference between these two forms is essential for clear and effective communication in writing and speaking.
When to Use “Can Not” and When to Use “Cannot”
The general rule of thumb is to use “cannot” as the default form of the negative verb “can.” However, there are some situations where “can not” may be preferred:
Formal Writing: In formal writing, such as academic papers or legal documents, “can not” may be used instead of “cannot” to avoid contractions.
Emphasis: In some cases, using “can not” instead of “cannot” can add emphasis to a sentence. For example, “I can not stress enough how important it is to proofread your work.”
Inversion: In questions or inverted sentences, “can not” may be used for clarity. For example, “Can not everyone see the importance of this issue?” is more clear than “Cannot everyone see the importance of this issue?”
In all other situations, it is best to use “cannot” for consistency and clarity.
Examples of Proper Usage of “Can Not” and “Cannot”
Here are some examples of proper usage for both “cannot” and “can not”:
- “I cannot believe how fast time flies.”
- “She cannot attend the meeting tomorrow.”
- “I can not believe you ate the whole pizza by yourself.”
- “He can not come to the phone right now.”
- “We cannot allow this behavior to continue.”
- “They cannot complete the project without additional resources.”
Remember that “cannot” is the standard form and should be used in most situations, while “can not” is less common and should only be used for emphasis or specific contexts.
Common Mistakes to Avoid When Using “Can Not” and “Cannot”
Here are some common mistakes to avoid when using “cannot” and “can not”:
Confusing “Cannot” with “Can” + Negative: It’s important to remember that “cannot” is a contraction of “can not” and not simply the negative form of “can.” For example, “I can’t swim” is correct, but “I can’t not swim” is incorrect.
Using “Can Not” in Informal Writing: While “can not” is not necessarily incorrect, it is less common and can sound formal or awkward in informal writing. It’s best to use “cannot” in most cases.
Overusing Contractions: While contractions can be useful for creating a conversational tone in writing, overusing them can make writing sound informal or sloppy. In formal writing, such as academic papers or business correspondence, it’s best to avoid contractions altogether.
Confusing “Cannot” with “Can'”: It’s important to use the correct apostrophe when writing “cannot.” The correct form is “can’t,” which uses an apostrophe to replace the missing “no” in “cannot.” Avoid using “can'” or other incorrect forms.
By avoiding these common mistakes, you can improve your writing and communication skills when using “cannot” and “can not.”
Tips for Improving Your Grammar and Spelling When Using “Can Not” and “Cannot”
Here are some tips for improving your grammar and spelling when using “cannot” and “can not”:
Read Widely: Reading a variety of materials can help you become more familiar with proper grammar and usage, including when to use “cannot” and “can not.”
Use a Spell Checker: Many word processors and online tools offer built-in spell checkers that can help you catch spelling errors in your writing.
Proofread Carefully: Even with a spell checker, it’s important to proofread your writing carefully to catch errors that might not be flagged by software.
Ask for Feedback: Ask a friend, colleague, or teacher to review your writing and provide feedback on your grammar and usage.
Practice, Practice, Practice: The more you write and use “cannot” and “can not” correctly, the more comfortable and confident you will become with using them in your writing and speaking.
By following these tips, you can improve your grammar and spelling skills and become a more effective communicator when using “cannot” and “can not.”