Identify the sentence that uses a perfect modal to speculate about the past:
- Joy must realize how vital Sadness was all along.
- Disgust should have known that teasing wouldn’t help Riley’s social life.
- Fear can be overprotective whenever Riley faces a new situation.
- Anger might know that running away won’t solve the conflict.
Explanation
A perfect modal (e.g., should have + past participle) expresses a judgment or speculation about a past event.
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