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have to (EN)
verbi

verbi “have to”

infinitiivi have to; hän has to; imperfekti had to; part. perf. had to; ger. having to
  1. täytyy
    I have to finish my homework before I can go out to play.
  2. on pakko (ainoa looginen johtopäätös)
    She has to be the teacher because she's holding all the textbooks.