| Persona | imperfect | conditional | future | subjunctive | present | preterite |
|---|---|---|---|---|---|---|
| yo | creía | creería | creeré | crea | creo | creí |
| tú | creías | creerías | creerás | creas | crees | creíste |
| él / ella | creía | creería | creerá | crea | cree | creyó |
| nosotros | creíamos | creeríamos | creeremos | creamos | creemos | creímos |
| ustedes | creían | creerían | creerán | crean | creer | creyeron |
In Spain: vosotros form— imperfect: creíais, conditional: creeríais, future: creeréis, subjunctive: creáis, present: creéis, preterite: creísteis
The 'vosotros' form is used in Spain for the informal second-person plural. In Latin America, 'ustedes' is used in both formal and informal contexts.
I think it's going to rain this afternoon.
When I was a child, I believed in ghosts.
He didn't believe the excuse you gave him.
I don't believe they will arrive on time.
Do you believe in destiny?
If you swore it to me, I would believe you.
They thought the exam was tomorrow.
To think so / not
To believe in something / someone
I can't believe it.
Seeing is believing.
To think a lot of oneself, to be conceited