El subjuntivo: ignorance / doubt

# F. J. Villatoro #

El subjuntivo: ignorance / doubt

The subjunctive is used to express ignorance or doubt.


Here is a list of common expressions that introduce an aspect of ignorance or doubt to the sentence, and therefore trigger the use of the subjunctive.


dudar que ... to doubt that ...
es dudoso que ... it is doubtful that ...
es improbable que ... it's unlikely that ...
es incierto que ... it's uncertain that ...
es posible que ... it's possible that ...
no creer que ... not to believe that ...
no es cierto que ... it's not certain that ...
no estar convencido de que ... to not be convinced that ...
no estar seguro de que ... to not be sure that ...
no parecer que ... to not seem that ...
no pensar que ... to not think that ...
no suponer que ... to not suppose that ...
puede ser que ... it may be that ...
negar que ... to deny that ...
no es verdad que ... it's not true that ...
no es cierto que ... it's not certain that ...
no imaginarse que ... to not imagine that ...
temer que ... to suspect that ...

Remember, there are also expressions that trigger the use of the indicative mood, since they introduce a quality of certainty.

Here's a partial list of such expressions.


no dudo que ... to not doubt that ...
estar seguro de que ... to be certain that ..
creer que ... to think that ...
no negar que ... to not deny that ...
es verdad que ... it's true that ...