Wals Roberta Sets 37-70.zip Link

: Perfective/imperfective aspect (65A), past tense (66A), future tense (67A), and the perfect (68A).

: Noun phrase conjunction (63A) versus verbal conjunction (64A). Verbal Categories (Chapters 65–70) : WALS roberta sets 37-70.zip

: Position of tense-aspect affixes (69A) and the morphological imperative (70A). Use Cases for the Dataset : Perfective/imperfective aspect (65A)

World languages with features and coordinates - Dataset Search past tense (66A)