First conditional for journey planning and transport scenarios
Q1. If the train is cancelled, we ___ alternative transport
First conditional for travel disruption. Cancellations happen. Alternatives are sourced. Patience is tried.
Q2. You will miss your flight ___ you leave immediately
UNLESS urges departure. Flights wait for no one. Airports are distant. Panic is optional.
Q3. When the traffic lights turn red, drivers ___
Present simple for traffic rules. Lights change. Vehicles halt. Order is maintained.
Q4. If we take the M25 at rush hour, it ___ take three hours
First conditional for British motorway pessimism. Traffic is inevitable. Journeys are prolonged. Radio is endured.
Q5. The bus arrives when the schedule ___ it will
Present simple for transport timetables. Schedules are printed. Buses arrive. Occasionally.