落(お)ち()る() ochiruと toいけない ikenaiから kara、あまり amari池(いけ) ikeに ni近(ちか)づ()く() chikazukuな na。 Don't go too close to the pond — you might fall in. naturewarningsadvice and suggestions~から (because)に with motion-goal verbs~といけない (it would be bad if)~な (prohibitive imperative)
彼(かの)女(じょ) kanojoは waついに tsuini北(ほっ)極(きょく) hokkyokuに ni到(とう)達(たつ) toutatsuした shita。 She finally reached the North Pole. geographyexplorationgoals and achievementsついに (finally)に with motion-goal verbs
嵐(あらし) arashiが ga私(わたし)た()ち() watashitachiの no町(まち) machiに ni近(ちか)づ()い()て()い()た() chikazuiteita。 A storm was approaching our town. weather~ている (ongoing state)に with motion-goal verbs