How do you say know what I in French?

There are a few ways to say "know what I" in French, depending on the context and the intended meaning:

1. Tu sais ce que je... (You know what I...) This is the most common and direct translation.

Examples:

* Tu sais ce que je veux dire? (You know what I mean?)

* Tu sais ce que je pense? (You know what I think?)

* Tu sais ce que je fais? (You know what I'm doing?)

2. Vous savez ce que je... (You know what I...) This is the formal version of "tu sais ce que je...", used when addressing someone with respect.

3. Vous voyez ce que je... (You see what I...) This is a more informal way to say "know what I", implying understanding or agreement.

Examples:

* Vous voyez ce que je veux dire? (You see what I mean?)

* Vous voyez ce que je fais? (You see what I'm doing?)

4. Tu comprends ce que je... (You understand what I...) This emphasizes understanding rather than simply knowing.

Example:

* Tu comprends ce que je veux dire? (Do you understand what I mean?)

The best translation will depend on the specific context of your sentence.