More questions?

[Saul Hernandez]

typeif clauseconditional clauseconditional 1if we leave nowwe will catch the trainconditional 2if we left nowwe would catch the trainconditional 3if we had left earlierwe would have caught the trainWhat is the structure of those sentences 1, 2 , and 3.
I need to know if there is any structural order..

[Tdol]

1 Good chance of us leaving
2 We're not going to leave or are unlikely to leave
3 We didn't leave