si Learn Unstarted Summary The Spanish translation for “if” is si. Examples of "if" in use There are 6 examples of the Spanish word for "if" being used: Recording English Spanish Learn I wonder whether Tom is alive. Me pregunto si Tom está vivo. Learn I don’t know if I want to eat with you. No sé si quiero comer contigo. Learn My mom will kill me if she finds out. Mi mamá me matará si se entera. Learn I wonder whether Tom is unmarried. Me pregunto si Tom está soltero. Learn I wonder whether Tom was murdered. Me pregunto si Tom fue asesinado. Learn I wonder if Tom knew we had to do that. Me pregunto si Tom sabía que teníamos que hacer eso. Learn Practice Lesson "if" Practice (6) Lesson Learn Lesson words if etc. View all lesson words Lesson phrases I don’t know if I want to eat with you., I wonder if Tom knew we had to do that., I wonder whether Tom is alive., I wonder whether Tom is unmarried., My mom will kill me if she finds out. etc. View all lesson phrases Themed Courses Miscellaneous 7 Part of Speech Courses Conjunctions 1