< Portuguese Grammar

the present subjunctive tense

Use the present subjunctive tense to talk about things that are plausible yet uncertain to happen right now: in the present.

Eu espero que você pense melhor. (I hope that you think better.)

Você quer que eu dirija? (Do you want me to drive?)

É importante que você aprenda. (It's important that you learn.)

Words that usually trigger this tense:
espero que (I hope that…)
quero que (I want that…)
é importante que (It’s important that…)

Forming

Take the 1st-person present root and add an:
+e for ar verbs
+a for er/ir verbs

Example: ACONTECER » Eu não quero que aconteça novamente.
the 1st-person present is: eu aconteço;
the root is aconteç;
adding an a » aconteça.

Example: FALAR » Espero que ele fale logo.
the 1st-person present is: eu falo;
the root is fal;
adding an e » fale.

Example: FAZER » Espero que ele faça.
the 1st-person present is: eu faço;
the root is faç;
adding an a » faça.

SER in the Present Subjunctive

SER becomes seja in this tense and is widely used to express that you hope something will be – will come to pass.