Восплачутся

30 тогда́ я́вится знамение Сы́на Челове́ческого на не́бе;

30 then (will appear) [miracle, sign, the sign] [A Son, My Son, Son] [Human, Man, Man's] [at, by, in, it, on the, to, toward, upon] [heaven, sky];

и тогда́ восплачутся все племена́ земны́е и уви́дят Сы́на Челове́ческого,

and then восплачутся [all, any, every, everybody, everyone] [families, tribes] [earthly, terrestrial] and [see, they will see] [A Son, My Son, Son] [Human, Man, Man's],

гряду́щего на облака́х небе́сных с си́лою и сла́вою вели́кою;

[coming, the future] [at, by, in, it, on the, to, toward, upon] [clouds, in the clouds] heavenly [and, from, in, of, with] [by force, force] and [glory, honor] [great, mighty];

Then will appear in heaven the sign of the Son of Man,
and then all the tribes of the earth will mourn,
and they will see the Son of Man coming on the clouds of heaven with power and great glory.
Matthew 24:30 ESV

And then shall appear the sign of the Son of man in heaven:
and then shall all the tribes of the earth mourn,
and they shall see the Son of man coming in the clouds of heaven with power and great glory.
Matthew 24:30 KJV