Unique rules when forming that grammar are highlighted like this
Example sentences follow these rules too!
Joining and Nesting Markers:
Verb[た/る] - means that dictionary form and ta form are accepted.
Verb[causative[て]] - means て form of the causative form of the verb.
Details
RegisterFormal
使用域硬い
Information
Aや否やB is a formal expressions not used in casual situations meaning that as soon as A happened, B. Or in other words, B happens shortly after A. B is often surprising or spontaneous. Can be used when talking about the speaker/writer himself.
This construction is generally used in sentences that are set in the past, though sometimes the sentence might describe habitual action. Therefore requests and expressions of volition are not used in B.