1 stops / won't suffer Если он бросит пить, то не будет страдать от алкогольной зависимости.
или так: had stopped / wouldn't suffer Если бы он бросил пить (когда-то в прошлом), то не страдал бы от алкогольной зависимости ( он и сейчас ей страдает)
2 would drive / were
3 will be / don't do
4 will go / have
5 didn't live / would like
6 don't miss / will arrive если не опоздаешь на поезд, то приедешь вовремя
hadn't missed / would have arrived если бы ты не опоздал на поезд( в прошлом), приехал бы вовремя
7 lived / wouldn't need
8 didn't exist / would disappear
9 don't pay / will call
10 will phone / has
11 doesn't work / won't earn
12 won / would travel
13 would be / gave
14 wouldn't feel / were
15 were / would have