1)
Why did he say "Hu Yimloch Tachtai"?
1.
Malbim: He will not reign after my death, rather, in my life 1 , immediately.
1
This is unlike Malbim wrote in Sefer Shmuel (refer to Shmuel II, 7:12:3:1)! This requires investigation. (PF)
2)
Why did he say "Al Yisrael v'Al Yehudah"?
1.
Malbim: Do not think that also Adoniyahu will rule over a Shevet.
