no esperaba que fuera tan

I didn't expect it to be so

→ no
phrase Rare #42,543
I didn't expect it to be so Usually followed by an adjective, whose ending agrees with the person or thing being described: difícil, divertida, or divertido. The verb fuera is in the imperfect subjunctive after esperaba que.
SP: No esperaba que fuera tan caro.
EN: I didn't expect it to be so expensive.

No esperaba que fuera tan divertida.

I didn't expect it to be so much fun.

Yo no esperaba que fuera tan divertido.

I didn’t expect it to be so much fun.

El examen fue muy duro, no esperaba que fuera tan difícil.

The exam was very tough; I didn't expect it to be so difficult.

Yo no esperaba que fuera tan divertida.

I didn’t expect it to be so much fun.

No esperaba que fuera tan divertido.

I didn’t expect it to be so much fun.