ha mejorado mucho

has improved a lot

→ haber
phrase Rare #30,281
has improved a lot Used to say that someone’s ability, condition, or performance has improved significantly. The subject may be stated or understood from context.
SP: Su pronunciación ha mejorado mucho este año.
EN: His pronunciation has improved a lot this year.

Creo que tu inglés ha mejorado mucho.

I think your English has improved a lot.

Ese chico no ha mejorado mucho.

That boy hasn't improved much.

— Broker (2022)

Tu trabajo ha mejorado mucho.

Your work has improved a lot.

Su inglés ha mejorado mucho.

His English has improved a lot.

Sí, ha mejorado mucho.

Yes, it has improved a lot.

— Broker (2022)

Creo que Tom ha mejorado mucho su francés.

I think Tom has improved his French a lot.

Tu hindi ha mejorado mucho.

Your Hindi has improved a lot.

— Rang De Basanti (2006)