Question

To do to be to have explicacion en español

Answer 1

to do = hacer.
I do my homework
I do the dinner.

To be = ser o estar
I am Alejandro
You are 10 years old.

To have = tener
I have dinner with my cousin.
I have a party at half past two

Y en todas la tercera persona del singular cambian.(She, He, It) 
Por ejemplo en TO DO
She does the homeworks
Po ejemplo en TO BE
He is very old.
Por ejemplo en TO HAVE
She has lunch in the afternoon