Answer:
Mother tounge is basically just the language from your culture.
Explanation:
When somebody says something is in their "mother tounge" it means it is in their native language. For example, "The Sioux man recited a poem in his mother tounge, his face alight with passion."
You can be like I have a lot of homework to do and I need to study for a test tomorrow and so you wouldn’t have time or you are busy