349 The accent of the infinitive and participle and of the imperative middle second singular is on the formative vowel.
This gives -εῖν (for -έ-εν), -έ-σθαι, -ών, and -οῦ (for -έ-(σ)ο).
- a. Five verbs also accent the formative vowel in the impv. second sing. active: εἰπέ say, ἐλθέ come, εὑρέ find, ἰδέ see, λαβέ
take. But in compounds their accent is recessive.