的得地

1. 的  

a)  Adj. + 的 + Noun                 (quality)       E.g.漂亮的姑娘 - beautiful girl,最好的朋友 (best friend)
b)  Pron. + 的 + Noun              (possession, ownership)  E.g.妈妈的书 - mom's book

2. 得

a) with the same pronunciation as 的 and is a particle that connects a verb with a "complement" (usually an adj)

E.g.我起得早 (I get up early: 起 the verb "to get up", 早 is the adj "early")

E.g.我汉语说得好 (I speak Chinese well, 说 verb "to speak" 好 adj "good/well")

b)  can be a verb, pronounced dei3, which means "to have to/must"

            E.g.我得去 (I must go)

3. 地        

adj.+ 地 +Verb (also "adverbial adjunct")

E.g. 我高兴地说 (I said happily 高兴 adj "happy", 说 verb "to speak")

E.g. 我小声地问 (I asked quietly 笑声 adj "quiet" 问 verb "to ask")