Exodus 40:31-32

40:31 Moses and Aaron and his sons would wash their hands and their feet from it. 40:32 Whenever they entered ¹  the tent of meeting, and whenever they approached ²  the altar, they would wash, ³  just as the Lord had commanded Moses.

[40:32]  ¹ tn The construction is the infinitive construct with the temporal preposition and the suffixed subjective genitive. This temporal clause indicates that the verb in the preceding verse was frequentative.

[40:32]  ² tn This is another infinitive construct in a temporal clause.

[40:32]  ³ tn In this explanatory verse the verb is a customary imperfect.