could pillow
Regular verb: pillow - pillowed- pillowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pillow
you could pillow
she could pillow
we could pillow
you could pillow
they could pillow 	I could be pillowing
you could be pillowing
she could be pillowing
we could be pillowing
you could be pillowing
they could be pillowing	I could have pillowed
you could have pillowed
she could have pillowed
we could have pillowed
you could have pillowed
they could have pillowed	I could have been pillowing
you could have been pillowing
she could have been pillowing
we could have been pillowing
you could have been pillowing
they could have been pillowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't pillow
you couldn't pillow
she couldn't pillow
we couldn't pillow
you couldn't pillow
they couldn't pillow 	I couldn't be pillowing
you couldn't be pillowing
she couldn't be pillowing
we couldn't be pillowing
you couldn't be pillowing
they couldn't be pillowing	I couldn't have pillowed
you couldn't have pillowed
she couldn't have pillowed
we couldn't have pillowed
you couldn't have pillowed
they couldn't have pillowed	I couldn't have been pillowing
you couldn't have been pillowing
she couldn't have been pillowing
we couldn't have been pillowing
you couldn't have been pillowing
they couldn't have been pillowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pillow?
could you pillow?
could she pillow?
could we pillow?
could you pillow?
could they pillow? 	could I be pillowing?
could you be pillowing?
could she be pillowing?
could we be pillowing?
could you be pillowing?
could they be pillowing? 	could I have pillowed?
could you have pillowed?
could she have pillowed?
could we have pillowed?
could you have pillowed?
could they have pillowed? 	could I have been pillowing?
could you have been pillowing?
could she have been pillowing?
could we have been pillowing?
could you have been pillowing?
could they have been pillowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I pillow?
couldn't you pillow?
couldn't she pillow?
couldn't we pillow?
couldn't you pillow?
couldn't they pillow? 	couldn't I be pillowing?
couldn't you be pillowing?
couldn't she be pillowing?
couldn't we be pillowing?
couldn't you be pillowing?
couldn't they be pillowing? 	couldn't I have pillowed?
couldn't you have pillowed?
couldn't she have pillowed?
couldn't we have pillowed?
couldn't you have pillowed?
couldn't they have pillowed? 	couldn't I have been pillowing?
couldn't you have been pillowing?
couldn't she have been pillowing?
couldn't we have been pillowing?
couldn't you have been pillowing?
couldn't they have been pillowing?