1. El Subjuntivo con expresiones de duda (doubt)
Expressions of Doubt:
dudar = to doubt
es imposible = It’s impossible
no es cierto = It’s not certain, true
no estar de acuerdo con = to not agree with
es dudoso = It’s doubtful
es improbable = It’s improbable
no es verdad = It’s not true
no estar seguro(a) de = to not be sure
expression of doubt que different subject subjunctive
Marta no está segura de que tengamos tiempo para ver la película.
Marta is not sure that we have time to see the movie.
No es verdad que haya un examen mañana.
It’s not true that there is a test tomorrow.

2. Note that the word no can change the meaning of an expression and
affect whether you need to use the subjunctive or indicative form of the
second verb.
Dudamos que Jorge conozca al músico No dudamos que él tiene talento.
We doubt that Jorge knows the musician We do not doubt that he has talent.

3. El Subjuntivo con expresiones de emoción
After expressions of emotion in Spanish, you must use the subjunctive
regardless of whether or not the information is true.
expression of emotion + que + different subject + subjunctive
Here’s how: Use the indicative for the verb that expresses emotion and
the subjunctive for the verb that follows:
Nos alegramos de que tú actúes con honor Me gusta que podamos elegir.
We’re happy that you act honorably I like that we can choose.
No me sorprendo de que sea difícil Temo que no me entiendas.
I’m not surprised that it’s difficult I’m afraid you don’t understand me.

4. Expressions of Emotion:
alegrarse (de) = to get happy
es sorprendente = it’s surprising
estar triste = to be sad
temer = to fear
encantar = to love
es triste = It’s sad
gustar = to like
tener celos de = to be jealous of
enojarse = to get angry
estar contento(a) = to be happy
sorprenderse (de) = to get surprised
tener miedo de = to be afraid
es una lástima = It’s a shame
estar emocionado(a) = to be excited
sentir es una pena = to feel it is a shame