εἰπὲ ἡμῖν πότε ταῦτα ἔσται, καὶ τί τὸ σημεῖον ὅταν μέλλῃ πάντα ταῦτα συντελεῖσθαι;

1. εἰπὲ
   said
2. ἡμῖν
   to us
   us
3. πότε
   ever
4. ταῦτα
   these
   these things
5. ἔσται
   will be
6.  
   ,
    
7. καὶ
   and
8. τί
   what
   something
9. τὸ
   the
10. σημεῖον
    sign
11. ὅταν
    whenever
    when
12. μέλλῃ
    is about to
    is about
13. πάντα
    all
14. ταῦτα
    these
    these things
15. συντελεῖσθαι
    to be completed
    to be carried out, to be performed
16.  
    ;
     

Tell us when these things will be, and what is the sign when all these things are about to be completed?