I'm so sorry... I'm a terrible girlfriend... *cue fake tears*
"Watashi no kanojo ni natte morai masen ka?" is polite and decent way of sayng it, but the casual way sounds better: If you are informal and friendly with your listener you can use 'Boku no kanojo ni naru no ka?'
It is the '-te' form of the verb 'naru,' which (among other meanings) means 'to become.'
natte d'endroit
The cast of La natte de Rigadin - 1913 includes: Gabrielle Lange Charles Prince as Rigadin
I'm glad you like me
Genki ni natte
The cast of Harusaki Azumi ga okusan ni natte ageru - 2007 includes: Azumi Harusaki
Roger Natte has written: 'Fort Dodge' -- subject(s): History, Pictorial works, Social life and customs 'Tour of discovery' -- subject(s): Buildings, structures, Guidebooks, Historic buildings
This means "why on earth did i fall in love with you"
'Boku ga inaku natte sabishii ka itoshii mono yo.'
Lucien Nat's birth name is Lucien Maurice Natte.
Anata ga hidoi tte? Dakara nan na no? Motto ii hito ni natte.