Psalm 37/Notes/Verbal.v. 23.504576
From Psalms: Layer by Layer
See note on Lexical Semantics on כּוֹנָ֗נוּ. The yiqtol is future relative to the situation expressed by כננו (i.e., YHWH establishes and then he delights). Thus, the qatal here has conditional modality: "(When) a person's steps are established by YHWH, (then) he will delight in his way." Cf. BHRG §19.2.1.3; IBHS §30.5.4 (although in this case there is no particle making the modality explicit).