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Conjugation

to stiffen up

Verb forms
InfinitiveSimple PastPast Participle
to stiffen up play verbform stiffened up play verbform stiffened up play verbform
Conjugation tables
indicative
simple present
I stiffen up we stiffen up
you stiffen up you stiffen up
he/she/it stiffens up they stiffen up
present progressive
I am stiffening up we are stiffening up
you are stiffening up you are stiffening up
he/she/it is stiffening up they are stiffening up
present perfect
I have stiffened up we have stiffened up
you have stiffened up you have stiffened up
he/she/it has stiffened up they have stiffened up
present perfect progressive
I have been stiffening up we have been stiffening up
you have been stiffening up you have been stiffening up
he/she/it has been stiffening up they have been stiffening up
simple past
I stiffened up we stiffened up
you stiffened up you stiffened up
he/she/it stiffened up they stiffened up
past progressive
I was stiffening up we were stiffening up
you were stiffening up you were stiffening up
he/she/it was stiffening up they were stiffening up
past perfect
I had stiffened up we had stiffened up
you had stiffened up you had stiffened up
he/she/it had stiffened up they had stiffened up
past perfect progressive
I had been stiffening up we had been stiffening up
you had been stiffening up you had been stiffening up
he/she/it had been stiffening up they had been stiffening up
simple future
I will stiffen up we will stiffen up
you will stiffen up you will stiffen up
he/she/it will stiffen up they will stiffen up
future progressive
I will be stiffening up we will be stiffening up
you will be stiffening up you will be stiffening up
he/she/it will be stiffening up they will be stiffening up
future perfect
I will have stiffened up we will have stiffened up
you will have stiffened up you will have stiffened up
he/she/it will have stiffened up they will have stiffened up
future perfect progressive
I will have been stiffening up we will have been stiffening up
you will have been stiffening up you will have been stiffening up
he/she/it will have been stiffening up they will have been stiffening up
conditional
conditional present
I would stiffen up we would stiffen up
you would stiffen up you would stiffen up
he/she/it would stiffen up they would stiffen up
conditional present progressive
I would be stiffening up we would be stiffening up
you would be stiffening up you would be stiffening up
he/she/it would be stiffening up they would be stiffening up
conditional perfect
I would have stiffened up we would have stiffened up
you would have stiffened up you would have stiffened up
he/she/it would have stiffened up they would have stiffened up
conditional perfect progressive
I would have been stiffening up we would have been stiffening up
you would have been stiffening up you would have been stiffening up
he/she/it would have been stiffening up they would have been stiffening up
passive
passive simple present
I am stiffened up we are stiffened up
you are stiffened up you are stiffened up
he/she/it is stiffened up they are stiffened up
passive present progressive
I am being stiffened up we are being stiffened up
you are being stiffened up you are being stiffened up
he/she/it is being stiffened up they are being stiffened up
passive present perfect
I have been stiffened up we have been stiffened up
you have been stiffened up you have been stiffened up
he/she/it has been stiffened up they have been stiffened up
passive present perfect progressive
I have been being stiffened up we have been being stiffened up
you have been being stiffened up you have been being stiffened up
he/she/it has been being stiffened up they have been being stiffened up
passive simple past
I was stiffened up we were stiffened up
you were stiffened up you were stiffened up
he/she/it was stiffened up they were stiffened up
passive past progressive
I was being stiffened up we were being stiffened up
you were being stiffened up you were being stiffened up
he/she/it was being stiffened up they were being stiffened up
passive past perfect
I had been stiffened up we had been stiffened up
you had been stiffened up you had been stiffened up
he/she/it had been stiffened up they had been stiffened up
passive past perfect progressive
I had been being stiffened up we had been being stiffened up
you had been being stiffened up you had been being stiffened up
he/she/it had been being stiffened up they had been being stiffened up
passive simple future
I will be stiffened up we will be stiffened up
you will be stiffened up you will be stiffened up
he/she/it will be stiffened up they will be stiffened up
passive future progressive
I will be being stiffened up we will be being stiffened up
you will be being stiffened up you will be being stiffened up
he/she/it will be being stiffened up they will be being stiffened up
passive future perfect
I will have been stiffened up we will have been stiffened up
you will have been stiffened up you will have been stiffened up
he/she/it will have been stiffened up they will have been stiffened up
passive future perfect progressive
I will have been being stiffened up we will have been being stiffened up
you will have been being stiffened up you will have been being stiffened up
he/she/it will have been being stiffened up they will have been being stiffened up
to stiffen up
Similar words
stiffen up stiffen sit up speak up fix up brace up think up finish up cry up sober up make up add up stop up shake up crack up double up work up straighten wake up start up let up brighten up lie up loosen up pull up slip up pluck up move up own up cough up smarten up starch do up stand up straighten up sinew backbone easy
Typical usage patterns (collocations)
Show all collocations for to stiffen up
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