Pretérito perfecto. 
have said, como referencia 

conjuguemos y conjugamos 

Capítulo 5 - HE DICHHO - I HAVE SAID

I have done my job - yo he hecho mi trabajo
You have done your shopping- tú has hecho las compras
She has done her best- Ella ha hecho su mejor esfuerzo
We have done what’s necessary- nosotros hemos hecho lo necesario
You have done something- ustedes han hecho algo
They have done this and that- ellos han hecho esto y aquello

CAPÍTULO 11 - HE HECHO - I HAVE DONE

Formas IMPERFECTAS
I was - yo era
You were - tú eras 
She was, he was - Ella era, él era
We were - nosotros éramos
You were - ustedes eran
They were - ellos eran

(Examples in the same order with English then Spanish)

I was tall, short, thin - yo era alto, bajo, delgado.
You are  Costa Rican, a man, a woman - tú eras costarricense, un hombre, una mujer
She was from Costa Rica, he was from Chicago - Ella era de Costa Rica
We were friends, we were family, we were cousins - nosotros éramos amigos, éramos familia, éramos primos
You were colleagues, you were partners  - ustedes eran colegas, eran socios
They were lawyers, they were students, they’re  - ellos eran abogados

***Special note for “it”***

It was late, early,  - era tarde, era temprano
It was an example - era un ejemplo
It was a good day - era un buen día
It was a class - era una clase
It was a student - (él, Ella) era una estudiante
It was my brother - (él) era mi hermano
It was a gift for you - era un regalo para ti
it was a good friend - era un buen amigo
It was last night - era ayer en la noche
it was yesterday morning- era ayer por la mañana
It was yesterday afternoon - era ayer por la tarde


CAPÍTULO 13 - ERA - I WAS

I am tall, short, thin - yo soy un alto, bajo, delgado.
You are  Costa Rican, a man, a woman - tú eres costarricense, un hombre, una mujer
She is from Costa Rica, he is from Chicago - Ella es de Costa Rica
We are friends, we are family, we’re cousins - nosotros somos amigos, somos familia, somos primos
You are colleagues, you’re partners  - ustedes son colegas, son socios
They are lawyers, they’re students, they’re  - ellos son abogados

***Special note for “it”***

It is late, early,  - es tarde, es temprano
It is an example - es un ejemplo
It is a good day - es un buen día
It is a class - es una clase
It’s a student - (él, Ella) es una estudiante
It’s my brother - (él) es mi hermano
It’s a gift for you - es un regalo para ti
it’s a good friend - es un buen amigo
It’s tomorrow night - es mañana por la noche
it’s tomorrow morning - es mañana por la mañana
It’s tomorrow afternoon - es mañana por la tarde



CAPÍTULO 12 - SOY - I AM 

Yo haría
tú harías
Ella-él haría
nosotros haríamos
ustedes harían
ellos harían