Passed or Past? - Grammar Monster
www.grammar-monster.com › past_passedRemember that "passed" is the past tense of the verb "to pass." This is a 100% rule. The lion passed the zebra without so much as a glance. The lion wandered past the zebra without so much as a glance. (If there's a verb of motion (here, "wandered"), then it will be partnered with "past.") The Harrier passed at an altitude of 100 feet.