15 Unreal Conditional

If the 8:08 train hadn’t stopped, she wouldn’t have got onboard.
If she hadn’t got onboard, she wouldn’t have dropped her scarf.
If she hadn’t dropped her scarf, he wouldn’t have picked it up, given it back and she wouldn’t have blushed and said thanks and he wouldn’t have lingered awkwardly and then walked off and the following day they wouldn’t have exchanged smiles.