9.5.2 Zero conditionals (zero)



Time reference Verb in main clause Verb in conditional clause

all time

Present, usually
Present simple

Present, usually
Present simple



If you put oil on water, does it float?
(Si pones aceite sobre agua, ¿flota?)
You get tired if you run a long way.
(Te cansas si corres mucho.)
If the weather is bad, there are more accidents.
(Si hace mal tiempo, hay más accidentes.)
If you've been warned, you've got no excuse.
(Si te han avisado, no tienes excusa.)