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"Bueno" is an adjective which is often translated as "good", and "tengo que irme" is a phrase which is often translated as "I have to go". Learn more about the difference between "bueno" and "tengo que irme" below.
bueno(
bweh
-
noh
)An adjective is a word that describes a noun (e.g., the big dog).
1. (beneficial)
a. good
La dieta mediterránea es muy buena para la salud.The Mediterranean diet is very good for your health.
2. (useful)
4. (virtuous)
a. good
Un buen hombre dio su vida por la comunidad anoche.A good man gave his life in the service of this community last night.
5. (delicious)
6. (colloquial) (attractive)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. ok
Creo que sería mejor ir al restaurante francés. - Bueno, vayamos.I think it'd be better to go to the French restaurant. - Ok, let's go.
tengo que irme(
tehng
-
goh
keh
eer
-
meh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. I have to go
¡Tengo que irme! ¡Me toca mi clase de biología en cinco minutos!I have to go! I have biology class in five minutes!
b. I have to leave
¿Falta mucho para que se acabe el partido? Tengo que irme pronto.Is the game going to be much longer? I have to leave soon.