Second person used to be: Singular----|----Plural Thou Ye, You Thee You Thine Yours Thy Your Which correspond to the nominative, objective, and possessive cases accordingly. By the way, the "Ye" is not related to the "Ye" in store signs that say "Ye Olde...". Y was sometimes used by typographers instead of the Old English letter Þ(Thorn), which makes a "Th" sound, so those store signs should be pronounced as " The Ol…
"Thee" is actually "to you" or "for you". (I thought I knew less English than I actually do!)
Thou is the subjective form. "Thou art wise." Thee is the objective form. "My lord did kiss thee in the garden."
Thee can be any object, such as the object of a transitive verb in the above example.