Answer :
Final answer:
The present subjunctive in Spanish is used to express doubt, uncertainty, and hypotheses, especially after certain verbs and expressions.
Explanation:
In Spanish, the present subjunctive is used to express doubt, uncertainty, wishes, suggestions, or hypotheses. It is commonly used after verbs and expressions that convey doubt, disbelief, or uncertainty, such as no creer que (not to believe that) and dudar que (doubt that).
For example:
- Marina no cree que la humanidad enfrente (face) problemas más graves del medio ambiente.
- Marina duda que las grandes compañías de electricidad busquen (search for) nuevas fuentes de energía.
The subjunctive mood in Spanish is essential for indicating uncertain or hypothetical situations, emphasizing the speaker's attitude towards the truth of the statement.