Abstract
The problems of perceiving self and others and learning of supplementary verbs “ageru, ” “morau” were studied by setting 2 types of task to 3-6 years old children in a day-nursery. The results obtained suggest there are 3 developmental stages.
First stage : they tend to have a viewpoint of “come, ” without a clear perception of self and others. It's easier for them to use “morau” and have things done for them. It's difficult for them to use “ageru.”
Second stage : they tend to be confused how to use “come” and “go”; there is a clearer perception of self and others. It becomes harder for them to use “morau, ” but easier to use “ageru.”
Third stage : they have trouble using “come, ” “go, ” “ageru” and “morau” for others, but, perceiving self and others completely, they can use all of these terms in relation to themselves.