The above constructions are identical in terms of form to the causative construction presented in Structure 1, but can also be used for a different meaning: "X allows Y to do something as Y pleases; X lets Y do what Y wishes to do." If the verb is intransitive and Y(i.e., the person who actually performs the action) is marked by the particle に, not を, the sentence bears this interpretation. When words such as 好き(like) and 自由(free) are used, this construction always expresses permission and not the causative,whether the verb is transitive or intransitive.
The teacher let the pupils go where they wanted to go.
The father and mother let their children say their opinions freely.