After you vs But you first vs Go ahead vs You first

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

After you

Top 2,000 (common)

But you first

Beyond 10,000 (less common)

Go ahead

Top 2,000 (common)

You first

Top 2,000 (common)
 After youBut you firstGo aheadYou first
Pronunciation🇬🇧 //ˈɑːftə jʊ//🇺🇸 //ˈæftɚ ju//🇬🇧 //bʌt jʊ fɜːst//🇺🇸 //bʌt jʊ fɜrst//🇬🇧 //ɡəʊ əˈhɛd//🇺🇸 //ɡoʊ əˈhɛd//🇬🇧 //juː fɜːst//🇺🇸 //ju fɜrst//
MeaningWhen you finish, I will go next.You go before me.to proceed or continue doing somethingYou go before anyone else.
ExampleYou can go first; it's after you.He opened the door and said, 'But you first.'You can go ahead and start the meeting without me.After you, I insist on letting you first.
RegisterNeutralNeutralNeutralNeutral
How commonTop 2,000 (common)Beyond 10,000 (less common)Top 2,000 (common)Top 2,000 (common)
Collocationsgo after, after you, pleasesay but you first, use but you first, hear but you firstgo ahead with a plan, go ahead and do something, go ahead and askyou first in line, you first, then me, I think you first
Antonymsbefore you, ahead of you, in front of you-stop, pause, hesitate-
Common mistakesUsed too early; should wait for the other person to finish., Mispronunciation in fast speech; ensure clarity., Omitting 'you' and saying just 'after' which sounds incomplete.Using 'but you first' in very formal situations might sound too casual., Some learners misplace the phrase in a sentence when trying to integrate it.Overusing in formal contexts where 'please proceed' is more appropriate., Confusing with 'go on' which implies continuation rather than permission., Not using appropriate pauses in dialogue.Using it in a formal context where 'please go ahead' is more appropriate., Saying it without context, which might confuse the listener., Overusing it in conversations, making it sound insincere.
Usage notesUsed to indicate someone can proceed after another person. Suitable in polite conversations but may feel formal in casual contexts.Used in polite conversation to allow someone else to go ahead. Suitable for both formal and informal settings.Used to give permission or encourage someone to start. Usually neutral but can be informal in casual conversations.Use 'you first' when inviting someone to go ahead or take their turn. It's casual but polite. Avoid in very formal situations.

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After you
But you first
Go ahead
You first

Frequently asked questions: After you vs But you first vs Go ahead vs You first

What's the difference between After you, But you first, Go ahead, and You first?

After you: When you finish, I will go next. But you first: You go before me. Go ahead: to proceed or continue doing something You first: You go before anyone else.

Can you show an example of each?

After you: You can go first; it's after you. But you first: He opened the door and said, 'But you first.' Go ahead: You can go ahead and start the meeting without me. You first: After you, I insist on letting you first.

Can I use After you, But you first, Go ahead, and You first interchangeably?

Not always. After you, But you first, Go ahead, and You first 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.