can stonewall
Regular verb: stonewall - stonewalled- stonewalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can stonewall
you can stonewall
he can stonewall
we can stonewall
you can stonewall
they can stonewall 	I can be stonewalling
you can be stonewalling
he can be stonewalling
we can be stonewalling
you can be stonewalling
they can be stonewalling	I can have stonewalled
you can have stonewalled
he can have stonewalled
we can have stonewalled
you can have stonewalled
they can have stonewalled	I can have been stonewalling
you can have been stonewalling
he can have been stonewalling
we can have been stonewalling
you can have been stonewalling
they can have been stonewalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't stonewall
you can't stonewall
he can't stonewall
we can't stonewall
you can't stonewall
they can't stonewall 	I can't be stonewalling
you can't be stonewalling
he can't be stonewalling
we can't be stonewalling
you can't be stonewalling
they can't be stonewalling	I can't have stonewalled
you can't have stonewalled
he can't have stonewalled
we can't have stonewalled
you can't have stonewalled
they can't have stonewalled	I can't have been stonewalling
you can't have been stonewalling
he can't have been stonewalling
we can't have been stonewalling
you can't have been stonewalling
they can't have been stonewalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I stonewall?
can you stonewall?
can he stonewall?
can we stonewall?
can you stonewall?
can they stonewall? 	can I be stonewalling?
can you be stonewalling?
can he be stonewalling?
can we be stonewalling?
can you be stonewalling?
can they be stonewalling? 	can I have stonewalled?
can you have stonewalled?
can he have stonewalled?
can we have stonewalled?
can you have stonewalled?
can they have stonewalled? 	can I have been stonewalling?
can you have been stonewalling?
can he have been stonewalling?
can we have been stonewalling?
can you have been stonewalling?
can they have been stonewalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I stonewall?
can't you stonewall?
can't he stonewall?
can't we stonewall?
can't you stonewall?
can't they stonewall? 	can't I be stonewalling?
can't you be stonewalling?
can't he be stonewalling?
can't we be stonewalling?
can't you be stonewalling?
can't they be stonewalling? 	can't I have stonewalled?
can't you have stonewalled?
can't he have stonewalled?
can't we have stonewalled?
can't you have stonewalled?
can't they have stonewalled? 	can't I have been stonewalling?
can't you have been stonewalling?
can't he have been stonewalling?
can't we have been stonewalling?
can't you have been stonewalling?
can't they have been stonewalling?