Examples of 'must have been up' in a sentence

Meaning of "must have been up"

must have been up - This phrase could imply that someone was awake or active during a specific period, or that they were involved in something that required their attention

How to use "must have been up" in a sentence

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Advanced
must have been up
Whoever did this must have been up pretty close.
Must have been up pretty late last night.
Which means he must have been up here.
You must have been up before the servants.
Looks like our suspect must have been up there.
You must have been up half the night.
I reckon old Shirley must have been up all night.
You must have been up with the lark.
The boats were in, the tide must have been up.
You must have been up all night doing this.
But I know that sales must have been up in the millions.
She must have been up there fixing her roof.
But if that is the case, then someone must have been up there with him.
Bud must have been up all night.
If you had new stock come in today, you must have been up early.

See also

Something must have been up that day.
She must have been up against it to want to croak herself.
In which case, you must have been up to something.
We must have been up here seven or eight times.
Well, something must have been up.
You must have been up really early.
Aye, set off at six. You must have been up with the lark.
He must have been up and moving around.
A buck and a half? You must have been up against it, kid.
It must have been up there and he must have found it.
Oh, wow Jessie. You must have been up all night.
She must have been up early to have made these.
They're, like, really dry and must have been up here for years.
You must have been up all night.
I reckon old Shirley must have been up all night. ~ I deleted it.
Must have been up late.
Well, you two must have been up all night.
Must have been up there lookin ' for you, and slipped.
Already? You must have been up all night.
You must have been up against this sort of thing before.
The bird must have been up there.
You must have been up late working on the graviton case.
Somebody must have been up here.
It must have been up to the gunwales.
Nice piece you must have been up early this morning!
He must have been up to something.
Fernando, thank you . You must have been up all night replanting Max 's farm.
He must have been up all night.
Sir? Somebody must have been up here . Pierre.
He must have been up for hours.
I guess Hiro must have been up to no good again.
You must have been up since the crack of dawn to get all this ready.
Don Javier must have been up to something.
You must have been Up all night rattling your pots and pans.
RG, [ Laughs ] My Zodiac must have been up the creek these last two years.

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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
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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
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