Examples of 'must have been doing' in a sentence

Meaning of "must have been doing"

must have been doing - This phrase indicates an assumption or belief about a past action that likely occurred. It implies that a specific action was almost certainly happening at some point in the past

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

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Advanced
must have been doing
She must have been doing it for therapeutic reasons.
Which is what they must have been doing.
You must have been doing a lot of solo flights.
So great grandpa must have been doing well.
You must have been doing good on the outside.
I pissed off a few suits so I must have been doing something right.
She must have been doing it for a while now.
Before you enlisted, you must have been doing something.
He must have been doing these jobs from a cave.
Whatever he was doing, he must have been doing too much of it.
He must have been doing something behind your back.
Speaking of which, your little snake must have been doing some slithering.
He must have been doing something to the generator.
It gives me great pleasure to realise that we must have been doing something right! '.
I knew you must have been doing incredible things.

See also

They ruled the earth for millions of years . They must have been doing something right.
That ref must have been doing business.
And Dr. Hamilton gave you such a glowing recommendation, you must have been doing something right.
I must have been doing something very important.
Them sons of bitches must have been doing well over a hundred.
Must have been doing the whole street.
The other two must have been doing the sprint.
Must have been doing it all along.
He got a lob on though, so I must have been doing summat right.
You must have been doing this for a long time.
I am trying to reconstruct what Dr. Willis must have been doing just before he died.
They must have been doing something right.
You were right, Sheriff . Them sons of bitches must have been doing well over a hundred.
Then he must have been doing something wrong.
I mean, Ben and Isabel must have been doing.
It must have been doing a hell of a lot of stinging.
I used to imagine what you must have been doing in Pasadena, California.
I must have been doing something right at home.
Speaking of which, your little snake must have been doing some slithering . I smell cheap perfume.
Must have been doing quite a clip.
Well, I am sure you must have been doing something right.
Must have been doing experiments down here before the fire.
I realised that Ben must have been doing Ezra 's bidding.
I must have been doing something right.
The police said he must have been doing nearly 80.
He must have been doing something right.
But he's black, so he must have been doing something.
You must have been doing some very odd jobs.
The woman who hit me must have been doing 40mph.
Idriz must have been doing something again.
Blue Dodge pickup, tinted windows, must have been doing a hundred.
So they must have been doing something correct.
She was doing a story on Matson. So, she must have been doing research.
They must have been doing something wrong.
I ain't seen him around here last week. He must have been doing all right.

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Examples of using Doing
I spent my whole life doing things my own way
And in so doing seal a bond of enduring friendship between us
Because the consequences of doing so might be more extreme
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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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