Luke 21:7

Ἐπηρώτησαν δὲ αὐτόν, λέγοντες, Διδάσκαλε, πότε οὖν ταῦτα ἔσται; Καὶ τί τὸ σημεῖον ὅταν μέλλῃ ταῦτα γίνεσθαι;

RBT Translation:

And they questioned himself those who are saying, "Teacher, when therefore will these ones be? And what is the Sign when these ones are destined to become?"

Julia Smith Literal 1876 Translation:
And they asked him, saying, Teacher, when therefore shall these be and what the sign when these should be about to be.

LITV Translation:
And they asked Him, saying, Teacher, then when will these things be? And what will be the sign when these things are about to happen?