"Tell us, when will these things be, and what will be the sign when all these things will begin to be fulfilled?
Other versions
King James Version
Tell us, when shall these things be? and what shall be the sign when all these things shall be fulfilled?English Standard Version
"Tell us, when will these things be, and what will be the sign when all these things are about to be accomplished?"New International Version
"Tell us, when will these things happen? And what will be the sign that they are all about to be fulfilled?"