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.
[Used to express that something does not meet needs, is insufficient, or not worthy of something. Generally used in the set expression: 取るに足りない meaning “of little importance” or ”worthless”. It is also used with 恐れる and various words expressing trust.]