NET
7 So they asked him, “Teacher, when will these things happen? And what will be the sign that these things are about to take place?”
Darby
7 And they asked him saying, Teacher, when then shall these things be; and what [is] the sign when these things are going to take place?
KJV
7 And they asked him, saying, Master, but when shall these things be? and what sign [will there be] when these things shall come to pass?