Wordletten opMeaningto pay attention toPart of speechverbPronunciationCourseDutchLessonAnticipatory pronominal adverbs (erop dat, ervan om)Usages of letten opJe moet letten op het gedrag van het kind.You must pay attention to the behavior of the child.Ik let erop dat ze veilig spelen.I see to it that they play safely.