"I do not have to swim."
Translation:Ik hoef niet te zwemmen.
December 6, 2014
After "hoeven" you need "te", but cannot use "om". See the tips page for this Duolingo skill (only available in the web version, not on the app): https://www.duolingo.com/skill/dn/Te-%2B-infinitive-verbs/tips-and-notes