has been stifling

-ha estado sofocando

Present perfect progressive he/she conjugation of stifle.

stifle

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Present:	stifling
Past:	stifled

Indicative of "stifle"

	Present	Past	Future
I	stifle	stifled	will stifle
you	stifle	stifled	will stifle
he/she	stifles	stifled	will stifle
we	stifle	stifled	will stifle
you	stifle	stifled	will stifle
they	stifle	stifled	will stifle

Perfect of "stifle"

	Present	Past	Future
I	have stifled	had stifled	will have stifled
you	have stifled	had stifled	will have stifled
he/she	has stifled	had stifled	will have stifled
we	have stifled	had stifled	will have stifled
you	have stifled	had stifled	will have stifled
they	have stifled	had stifled	will have stifled

Imperative of "stifle"

	Affirmative	Negative
I	-	-
you	stifle	don't stifle
he/she	-	-
we	let's stifle	let's not stifle
you	stifle	don't stifle
they	-	-

Progressive of "stifle"

	Present	Past	Future
I	am stifling	was stifling	will be stifling
you	are stifling	were stifling	will be stifling
he/she	is stifling	was stifling	will be stifling
we	are stifling	were stifling	will be stifling
you	are stifling	were stifling	will be stifling
they	are stifling	were stifling	will be stifling

Perfect Progressive of "stifle"

	Present	Past	Future
I	have been stifling	had been stifling	will have been stifling
you	have been stifling	had been stifling	will have been stifling
he/she	has been stifling	had been stifling	will have been stifling
we	have been stifling	had been stifling	will have been stifling
you	have been stifling	had been stifling	will have been stifling
they	have been stifling	had been stifling	will have been stifling

This data is provided by Onoma

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