Implicational patterns in the cross-linguistic coding of subordination: (a) If there is elimination of Aspect, then there is elimination of Tense and Mood. (b) If there is elimination of agreement, then there is elimination of Tense, Aspect, or Mood. (c) If there is case/adposition marking, then there is elimination of Tense, Aspect, or Mood. (d) If there is possessor/oblique coding, the there is elimination of Tense, Aspect, Mood or Agreement.
Standardized
In the coding of subordination vis-a-vis that of non-subordinate clauses: (a) If there is elimination of Aspect, then there is elimination of Tense and Mood. (b) If there is elimination of agreement, then there is elimination of Tense, Aspect, or Mood. (c) If there is case/adposition marking, then there is elimination of Tense, Aspect, or Mood. (d) If there is possessor/oblique coding, the there is elimination of Tense, Aspect, Mood or Agreement.
Cf. ##1879, 1880, 1881.