「Adjectives and Adverbs」
「Adverbs Expressing Time」
「Sono uchi (ni)・そのうち(に)」
”Soon," ”One of these days," "Before long."
Sono uchi (ni) expresses the speaker's expectation that an action or event will occur before long. When the final verb of the sentence is in the past tense, it simply means "before long," with reference to some past occurance.
Sono uchi kōen no sakura mo saku deshō.
The cherry blossoms in the park will probably be out soon.
Kare kara sono uchi ni renraku ga aru to omou.
I think that he will contact me one of these days.
Sono uchi kanojo ni wa kare no seikaku ga wakatte kita.
His personality revealed itself to her before long.
Hope this helps!
°˖ ✧◝(○ ヮ ○)◜✧˖ °こゆうきあいはら°˖ ✧◝(○ ヮ ○)◜✧˖ °