No sabes cuánto te quiero.

[camboron]

[details=“English Translation”]You don’t know how much I love you.[/details] I like to say this one as if I am in a telenovela.

[waxapax]

English Translation

You don’t know how much I love you.

Shouldn’t it be No sabes cuanto te quiero without the accent?

[morbrorper]

No, see Indirect Questions in Spanish Grammar