An auxiliary verb is also called a helping verb and is used with a primary verb to express its tone or mode. Will and Can are two such auxiliary verbs. They are often used incorrectly because of sounding similar but understanding the difference between these two auxiliary verbs is very important.
Will vs Can
The main difference between Will and Can is that while ‘Will’ forecasts the future and denotes future happenings, ‘Can’ is generally used to talk about the present and also future. ‘Can’ is a helping verb, whereas ‘Will’ is a verb or, at times, noun. ‘Will’ is also used while ordering, and ‘Can’ is used while taking permission or being polite.
The auxiliary verb ‘will’ is used to express something that is going to happen in the future. Will is also used to make forecasts, discuss decisions, make commitments, offers, demands, and challenges. The auxiliary verb ‘will’ and its negative form “will not” or “won’t” are both modal auxiliary verbs.
The term ‘can’ is used to denote something that is possible. It is used as a general statement to also demonstrate one’s skills or ability to do something in the future or present. It is also used to ask for permission. The negative form of the term ‘can’ is ‘cannot’ or ‘can’t’.
Comparison Table Between Will and Can
| Parameters of comparison | Will | Can |
| Use | Will is used when a person talks about the future. | Can is used when a person talks about the present or the future. |
| Negative forms | Will not or won’t | Cannot or can’t |
| Indication | Indicates future tense | Indicates ability |
| Parts of speech | Noun or verb | Helping verb |
| Example | I will work on Monday. | I can help you with your projects. |
What is Will?
Will is a term used in English Grammar that is used to show possibility. For example:
It is also used to express wishes and intentions. For example:
Will is used to making requests and to show one’s politeness. For example:
It is used to show determination or obligation. For example:
Will also shows commitment. For example:
What is Can?
Can is used to make general statements that are possible. For example:
It is also used to show one’s abilities. For example:
Can is used to make offers to people. For example:
It is also used to ask for permission. For example:
Can is a modal verb that is the same for all subjects. No additional “s” is added in the third person will using can like other verbs. Its negative form is “cannot” or “can’t”.
Examples of the negative form of can, that is, cannot:
Main Differences Between Will and Can
Conclusion
There are only a few different types of English verbs. The common English verb write, for example, has the following forms: write, writes, wrote, written, and writing. However, these types do not always suffice to convey all of the meanings. For example, simple forms of the verb cannot convey concepts like questioning, time, wish, willingness, and obligation. Auxiliary verbs come in handy and in order to express these ideas, it is used.
Auxiliary verbs, also known as supporting verbs or helping verbs, provide additional functional or grammatical sense to the clauses in which they are used. They carry out their duties in a variety of ways. Will and Can are two such modal auxiliary verbs.
Since the same modal verb may be used to denote the number of functions, and since there may be multiple modal verbs that can mean the same, a non-native English speaker can either use the wrong modal verb or overuse the same modal verb when an alternative verb would have been more appropriate. So, knowing the difference and usage of ‘Will’ and ‘Can’ is really important for a non-English speaker.
References
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