🌳 Interactive Decision Matrix
Subjunctive vs. Indicative Master Matrix
Struggling to decide between Subjunctive and Indicative? Use our 3-question diagnostic flowchart and interactive clause simulator to instantly determine the correct grammatical mood.
Step 1: Two Subjects?
If the subject does NOT change, use the Infinitive! (Quiero ir, NOT quiero que yo vaya).
Step 2: Fact or Perception?
Verbs of knowing, certainty, or sensory perception require Indicative (Sé que viene).
Step 3: Doubt, Desire or Fear?
Wishes, doubts, recommendations, or negated beliefs require Subjunctive (Dudo que venga).
⚡ Interactive Trigger Simulator
Select a triggering main clause to see how the dependent verb mood shifts:
Resulting Sentence & Mood: