May vs Shall

When to use each in English, with meaning, register, and examples.

May

Top 1,000 (very common)A2

Shall

FormalTop 5,000 (fairly common)A2
Most formal: ShallMost common: May
 MayShall
Pronunciation🇬🇧 /["/meɪ/","/ˈmeɪ nɒt/","/ˈmeɪənt/","/maɪt/","/ˈmaɪt nɒt/","/ˈmaɪtnt/"]/🇺🇸 /["/meɪ/","/ˈmeɪ nɑːt/","/ˈmeɪənt/","/maɪt/","/ˈmaɪt nɑːt/","/ˈmaɪtnt/"]/🇬🇧 /["/ʃəl//ʃæl/","/ʃɑːnt/","/ʃʊd/"]/🇺🇸 /["/ʃəl//ʃæl/","/ʃænt/","/ʃʊd/"]/
MeaningA month in spring.Used to indicate future action or to ask for advice or suggestions.
ExampleWe may go to the park if it stops raining.This time next week I shall be in Scotland.
RegisterNeutralFormal
How commonTop 1,000 (very common)Top 5,000 (fairly common)
CEFR levelA2A2
Collocationsin May, May flowers, May vacation, May day, May calendarshall we dance, you shall not pass, shall I compare thee, shall I help you, shall we start
AntonymsJune, Decemberrefuse, decline
Common mistakesConfused with the auxiliary verb 'may', especially in questions., Incorrectly capitalizing 'may' when used in sentences as a verb., Saying 'in May month' instead of just 'in May'.Using 'shall' in first person only — 'shall' is typically used with 'I' or 'we' and not with other subjects., Confusing 'shall' with 'should' — 'shall' indicates future intent, while 'should' often indicates obligation., Using 'shall' in negative forms incorrectly — remember, it's not commonly used for negatives.
Usage notesUse 'May' when talking about the month in a date or events, but do not confuse with 'might', which expresses possibility.Commonly used in formal contexts, such as legal documents or official speeches. It's more often used in British English than in American English. In informal contexts, 'will' is preferred.

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May
Shall

Frequently asked questions: May vs Shall

What's the difference between May and Shall?

May: A month in spring. Shall: Used to indicate future action or to ask for advice or suggestions.

Which is more formal: May and Shall?

Shall is the most formal of these.

Which is more common: May and Shall?

May is the most common in everyday English.

Are May and Shall the same CEFR level?

May: A2, Shall: A2 on the CEFR scale.

Can you show an example of each?

May: We may go to the park if it stops raining. Shall: This time next week I shall be in Scotland.

Can I use May and Shall interchangeably?

Not always. May and Shall are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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