The curses correspond in form and number (Deuteronomy 28:15–19) to the blessings (Deuteronomy 28:3–6), and the special ways…

Because you served not the Lord your God
By attending his worship, and keeping his commandments:

…

If God inflicts vengeance, what miseries His curse can bring upon humankind, even in this present world! Yet these are but the beginning of sorrows…