Examples of 'must have failed' in a sentence

Meaning of "must have failed"

must have failed: Implies a strong likelihood or certainty that an action or endeavor was unsuccessful or not accomplished. This phrase is used to express deduction, assumption, or regret over a past failure

How to use "must have failed" in a sentence

Basic
Advanced
must have failed
He must have failed to deliver your message.
But the filter must have failed.
You must have failed science class.
The light bulbs must have failed.
Sensors must have failed in the explosion.
The ballast pump must have failed.
They must have failed through lack of enthusiasm.
The rail system must have failed.
They must have failed to hear your suffering.
Their rail system must have failed.
I must have failed her.
Whereas this one must have failed.
You must have failed.
The test at the plant must have failed.
She must have failed me.

See also

The expedition must have failed.
He must have failed a student.
The detonator must have failed.
I must have failed as a parent.
Her spell must have failed.
I must have failed somewhere along for you to not forget her as yet.
The plan must have failed.
If no dips are detected the scan must have failed.
Then you must have failed him.
The generator in this cell must have failed.
The machine must have failed to operate.
In the event of a forward movement even these limited supplies must have failed.
His device must have failed.
You must have failed due to your weak energy.
Retardation shoot must have failed.
The brakes must have failed tyre is stuck in the drainage.
My two assassins must have failed.
I think I must have failed as he gave me a knowing smile.
The wing things that stick out must have failed to retract.
Somehow I must have failed as a big brother.
And what is also quite clear is that you must have failed etiquette class.
They must have failed.
The wing things that stick out when we are flying must have failed to retract.
Then he must have failed.
The wing things that stick out when we are flying must have failed to contract.
I think I must have failed as a parent.
Somewhere along the way I must have failed.
You must have failed to notice that I am not alone.
Equipment must have failed.
If someone important is disappointed, the submissive must have failed them.
Our plan must have failed.
With the power drain, the magnetic lock must have failed.
Famous second sight must have failed you this time.
They turned this into a theme park, but it must have failed.
You must have failed English at STA.

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Examples of using Failed
Never mind how he failed or triumphed as a man
Failed to play the disc is incorrectly inserted
And what you failed to do for him
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Examples of using Must
They must have changed their view
Someone you know must have died
He must have loved you very much
Show more
Examples of using Have
These documents have been in my family for centuries
Have this done by the customer service only
He could not have chosen a worse time
Show more

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