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.
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使用域一般
Information
[至る lit. means to “reach a far stage,” “arrive as far as.” Therefore, Aに至ってもB is used to express that even when certain phase A is reached, B is still the case]
[に至っても can express the speaker's/writer's sorrow that even at such a point, nothing can be done about B]
[Expressions that emphasize the current moment like 今日、今、現在 are often used in A. In B, phrases meaning “still” like 未だに、まで、なお are common].