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dubar
to doubt
negar (e:ie)
to deny
no creer
not to believe
no estar seguro/a (de)
not to be sure (of)
no es cierto
its not true; its not certain
no es seguro
its not certain
no es verdad
its not true
es impossible
its impossible
es improbable
its improbable
(no) es posible
its (not) possible
(no) es probable
its (not) probable
no dudar
not to doubt
no cabe duda de
theres no doubt
no hay duda de
theres no doubt
no negar (e:ie)
not to deny
estar seguro/a (de)
to be sure (of)
es cierto
its true; its certain
es seguro
its certain
es verdad
its true
es obvio
its obvious