Learn Russian: Неужели нашим воинам не отступить от гибели? - Are our warriors really unable to retreat from ruin?

Independent infinitive clauses lack a conjugated verb, so they cannot take a standard nominative subject. Instead, the logical subject—the person who is unable to perform the action—is always put in the dative case.

How does the phrase не отступить express that they are 'unable' to retreat without using a verb like мочь (to be able)?

This is a core feature of independent infinitive clauses. When you combine the negative particle не with a perfective infinitive like отступить, it inherently expresses absolute impossibility. It implies that circumstances make the action impossible, so no separate verb for ability is needed.

If we swapped the perfective отступить for the imperfective отступать, would the meaning change?

Yes, drastically! In these infinitive clauses, не plus a perfective infinitive means impossibility ('cannot retreat'). However, не plus an imperfective infinitive expresses a strong command or inevitability ('must not retreat' or 'are not to retreat'). The perfective aspect is exactly what creates the meaning of being physically or circumstantially unable to do it.

How does the particle Неужели interact with this specific grammar structure?

Неужели expresses strong disbelief or dismay, translating roughly to 'Is it really true that...?'. When attached to an impossibility clause, it turns a simple statement of fact ('They cannot retreat') into an emotional plea or rhetorical question of despair ('Is it truly impossible for them to retreat?').