Answer:
Es seguro que Marcos vendrá a la fiesta.
Explanation:
No , because the subjunctive is mainly used to express hypothetical statements, that is, uncertain, express desires or convey feelings. In any of these cases, it is possible to use the subjunctive verb in a sentence
<u>comieron</u> - comer
1. Jugue
2.jugaba
3.era
4.fue
5.eran
6.tenia
7.fui
8.estaba
9.recibi
10.vi