Thought is already is late,exactly is the earliest time.从语法和句子结构的角度,帮我分析这个句子,

Thought is already 是前半句的主语，the earliest time是后半句的主语。

应该是Though is already late,exactly is the earliest time.这是个省略句.省略了主语it.所以,补充完整的句子应该是：Though it is already late,exactly it is the earliest time.这样的句子多半是口语中的句子....