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てからというもの → used to express something that starts in point of time A, where the speaker/writer subjectively perceives A to be a big change that lasts from that point forward]
[This is an emphatic expression]
[Generally not used when speaking about very recent events.]