Had you walked fast, you _ the train. The correct form of verb will be-

Correct Answer: (C) would not have missed This is a Type 3 Conditional sentence (Unreal Past Condition), which is very frequently tested in NTRCA exams. Type 3 Conditional Structure: If + Subject + had + past participle → Subject + would have + past participle (Unreal condition about the PAST — something that did NOT happen) Application: "Had you walked fast, you would not have missed the train." — "Had you walked fast" = If you had walked fast (but you didn't — unreal past) — "would not have missed" = the result that would have occurred (but didn't) Note on "Had you walked fast...": — This is an inverted conditional (literary form) — "Had you walked fast" = "If you had walked fast" (inversion replaces "if") — Common in formal and literary English Why others are wrong: ✗ "will not miss" — present/future; wrong for past unreal condition ✗ "will not have missed" — future perfect; wrong tense ✗ "would not miss" — Type 2 result (unreal present), not Type 3 (unreal past) Conditionals Summary: — Type 2: If + past simple → would + base verb — Type 3: If + past perfect → would + have + past participle Source: English Grammar in Use — Raymond Murphy; NTRCA Question Bank.