The both particle can be used with the and particle to express two characteristics related to the same element, or that two people or things share one or more characteristics. Its translation would be (both ... and / at the same time / in addition). Sometimes in Spanish it is already implicit and has no translation.
The particle either is used in affirmative (any), negative (none) and interrogative (any) sentences. It precedes a singular noun, although when we already know what we mean, it is not necessary to mention the noun.
The particle neither (none, neither one nor the other) is used in sentences with an affirmative verb to express a negative phrase. It precedes a singular noun, although when we already know what we mean, it is not necessary to mention the noun.
-I speak both english and spanish.
-He is both tall and.
-both (Of the).
-Both Of the students played baseball.
-Either Of.
-I like either car.
-Either side.
-You can walk from either side.
-Neither tom nor sam is a Doctor.
-Neither of them is a Doctor car.
-Neither the turtle nor the cartepillar.
Both:
Eng: Both Brayan and carlos are a basketball player.
Spa: Tanto Brayan como Carlos son jugadores de basquebol.
Ehither:
Eng:Ehither the bread or cookies are delicios.
Spa: El pan o las galletas son deliciosas.
Neither:
Eng:Neither the dog nor the obey ara fast.
Spa:Ni el perro ni la obeja son rapidos.
Both:
Eng:What do you want please? I want both.
Spa:�Que quieres por favor? Quiero ambos.
Ehither:
Eng:What would you like to drink, please? I what ehither.
Spa:�Que le gustaria tomar, por favor? Cualquiera esta bien.
Neither:
Eng:What would you like to eat, please? either thaanks.
Spa:�Que te gustaria comer, por favor? Tampoco grasias.