English phrase from drama scenes

What Does "but i have to warn you" Mean?

Learn what "but i have to warn you" means, when people say it, and how to use it naturally in English.

Beginner
Neutral
Firm
Warn

But I have to warn you.

This means the speaker is about to give a warning.

From Good For Him, Episode 2

When do people say this?

Scene Context

Someone says they have to warn the other person.

Usage Scenario

Use it before telling someone about a risk or consequence. It is common enough for learner pages, though it may sound serious.

Better ways to say it

1
But I have to warn you.
2
I have to warn you.
3
Let me warn you.

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How to Warn Someone in English

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