- (sta) must |

Oli jen mus chi fo jivi. - All people must eat in order to live. |

Manya me mus go a ofis. - Tomorrow I must go to the office. |

Yu mus bu chi. = You must not eat. |

bu mus - (sta) to not have to |

Yu bu mus chi. - You do not have to eat. |

nomus - (sta) must not (obligatory prohibition) |

Yu nomus chi. - You must not eat. |

See also: treba, gai