If you say "I let him do that" in the past means exactly "I consented to his doing that." I disagree. "Letting" someone do something is a passive affirmation a

If you say "I let him do that" in the past means exactly "I consented to his doing that." I disagree. "Letting" someone do something is a passive affirmation at best, and could also be out of fear for consequences. "Consenting" is active affirmation.