In both English and Spanish, the adverb no is the
fundamental negation. In simple negative statements in Spanish the
word no always precedes the verb:
When another negative, such as nunca, nadie, nada, etc.,
is used, Spanish often constructs a double or, much less
frequently, even a triple negation:
The preceding negatives and others in the table below have their
corresponding affirmative indefinites.
Negativesnada — nothing, none
nadie – nobody, no one
ningún/o, -a — no, none
nunca, jamás –never
ni...ni — neither...nor
tampoco – neitherIndefinitesalgo — something
alguien – somebody, something
algún/o, -a – some, several
alguna vez, jamás – ever
o...o — either...or