Why ot is duro, not dura? Duro for trabajo??
Freeform Writing Exercise A1
Duro is an adverb and it is invariable, it always has that singular masculine ending as an adverb.
She / he works hard.
If you use it as an adjective, then you need to make it agree, so you'd have duro, dura, duros, duras.
Esta carne está dura.
This meat is tough.
Este material es duro.
This material is hard.
I hope it clarified it.
Sign in to submit your answer
Don't have an account yet? Join today
Test your Spanish to the CEFR standard