English plx help

1 Which sentence describes an imaginary past event with an imaginary present result?? a) if i were there things would be better now b)if i had been there things would be better now
2 If you needto speak to me, call me on my moblie ...a) unlikely future b) likely future
3 If you finally managed to doit, how would you feel ...a) present time b) future time c) past time
4 If i had the chance, i'd take it ...a) present time b) past time c) either