Final answer:
The subjunctive verb in the sentence is 'puedas,' showcasing the use of the Spanish subjunctive mood.
Explanation:
In the sentence 'Es una lástima que tú no puedas estar aquí con nosotros,' the subjunctive verb is 'puedas.' The subjunctive mood in Spanish is used to express wishes, suggestions, requirements, or hypothetical scenarios.
Learn more about Spanish subjunctive mood here:
https://brainly.com/question/10444148
