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once I hear from them is the most popular phrase on the web.

once I heard from them 11,480,000 results on the web	once I hear from them 11,590,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Once I heard you'd been coerced to throw in with the colonists. Once I heard Miss Julie and a girlfriend... Once I heard that voice, I didn't miss the weed. I ran into the stairwell once I heard the shooting. I just thought some allowance was in order once I heard about the meth lab. Once I heard, I told them it couldn't have been you who poisoned me. Once I heard Uruguay fell through, I considered offering her a permanent job. "Once I Heard You Singing".	Once I hear from Erin that she's free, I'll call you once l hear from him. Once I hear that she's in international airspace, I'll surrender. I'll have more information once I hear back from the medical examiner, but look for anything that could be used as a club. Once we hear from you, we will immediately present the case before the Commission. You call me next, once you hear from the union lawyer. Once I hear you'll work hard, I'll feel afraid. All set to go once I hear you say

once I heard from them

11,480,000 results on the web

once I hear from them

11,590,000 results on the web

More popular!

Once I hear from Erin that she's free,
I'll call you once l hear from him.
Once I hear that she's in international airspace, I'll surrender.
I'll have more information once I hear back from the medical examiner, but look for anything that could be used as a club.
Once we hear from you, we will immediately present the case before the Commission.
You call me next, once you hear from the union lawyer.
Once I hear you'll work hard, I'll feel afraid.
All set to go once I hear you say