请对以下句子进行分类，告诉我它们属于哪种语法结构：正常语序、倒装语序、问句语序。


A. Tim has written a new song.
B. Never have I been so happy.
C. Where is the nearest gas station?
A. 正常语序 (Subject-Verb-Object)
B. 倒装语序 (Inverted Syntax)
C. 问句语序 (Question Syntax)