Did we heard back responses vs Did we hear back responses

Some examples from the web:

• Also, we heard back from Yale and their response was emphatic.
• We heard back from York this morning.
• Well, we heard back from the crime techs in San Francisco.
• We heard back from the banquet room where they were getting married.
• We heard back from our friends at Everyone.
• Listen, we heard back from the Use-of-Force Review Board about your shooting.
• So, Callie, we heard back from Robert Quinn's lawyer.
• Have we heard back from any more Homicide departments?
• Kirsten: So we heard back from phillip And he didn't love the neanderthal stuff as much as we did.
• Ma'am, was that screaming we heard back there?
• Have we heard back from Lily Gray's attorneys?
• Say, we heard back from the Musical Festival. have you?
• Have we heard back from our unit that was sent out to the refinery?
• Have we heard back yet from that girl at hallelujah 95.7?
• And so we gave them two hours of training, we put them in the car, we let them use it, and what we heard back was something awesome, as someone trying to bring a product into the world.
• We heard everything, did we not? It's not easy, it's not easy, because we are sinners.
• Just heard back from Erika's parents.
• But I haven't heard back.
• We heard - we heard you delivered a baby today.
• Haven't heard back from you yet.

Some examples from the web:

• Did we hear back from Beijing Institute?
• So let's talk when we hear back from these clowns.
• ZDNet has reached out to Photobucket and will update if we hear back.
• Until we hear back from Catherine, we stick with the plan.
• Let's just wait until we hear back from Krista.
• Let's wait till we hear back from 'em.
• So let's talk when we hear back from these clowns.
• Until we hear back from Tyler...
• We'll pull him out as soon as we hear back from Mission Control.
• With all due respect, we'll wait until we hear back from the Bureau that it's officially terminated.
• So, I will call you later tonight when we hear back from the board.
• We have an e-mail out to Motorola for comment and will update this post if we hear back.
• We asked Google for comment about Sophos' findings, and will update this post when we hear back.
• Until we hear back from McGee, that's cause enough for me.
• Until we hear back from McGee, that's enough for me.
• But she's asked that we all remain here, together, until we hear back from her.
• But never did we hear of this among our ancestors.
• There's nothing to do there until we hear back from the Centre about the sample.
• Martha, where did we hear that name?
• What time did we hear that gunshot?