could photostat
Regular verb: photostat - photostatted- photostatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could photostat
you could photostat
she could photostat
we could photostat
you could photostat
they could photostat 	I could be photostatting
you could be photostatting
she could be photostatting
we could be photostatting
you could be photostatting
they could be photostatting	I could have photostatted
you could have photostatted
she could have photostatted
we could have photostatted
you could have photostatted
they could have photostatted	I could have been photostatting
you could have been photostatting
she could have been photostatting
we could have been photostatting
you could have been photostatting
they could have been photostatting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't photostat
you couldn't photostat
she couldn't photostat
we couldn't photostat
you couldn't photostat
they couldn't photostat 	I couldn't be photostatting
you couldn't be photostatting
she couldn't be photostatting
we couldn't be photostatting
you couldn't be photostatting
they couldn't be photostatting	I couldn't have photostatted
you couldn't have photostatted
she couldn't have photostatted
we couldn't have photostatted
you couldn't have photostatted
they couldn't have photostatted	I couldn't have been photostatting
you couldn't have been photostatting
she couldn't have been photostatting
we couldn't have been photostatting
you couldn't have been photostatting
they couldn't have been photostatting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I photostat?
could you photostat?
could she photostat?
could we photostat?
could you photostat?
could they photostat? 	could I be photostatting?
could you be photostatting?
could she be photostatting?
could we be photostatting?
could you be photostatting?
could they be photostatting? 	could I have photostatted?
could you have photostatted?
could she have photostatted?
could we have photostatted?
could you have photostatted?
could they have photostatted? 	could I have been photostatting?
could you have been photostatting?
could she have been photostatting?
could we have been photostatting?
could you have been photostatting?
could they have been photostatting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I photostat?
couldn't you photostat?
couldn't she photostat?
couldn't we photostat?
couldn't you photostat?
couldn't they photostat? 	couldn't I be photostatting?
couldn't you be photostatting?
couldn't she be photostatting?
couldn't we be photostatting?
couldn't you be photostatting?
couldn't they be photostatting? 	couldn't I have photostatted?
couldn't you have photostatted?
couldn't she have photostatted?
couldn't we have photostatted?
couldn't you have photostatted?
couldn't they have photostatted? 	couldn't I have been photostatting?
couldn't you have been photostatting?
couldn't she have been photostatting?
couldn't we have been photostatting?
couldn't you have been photostatting?
couldn't they have been photostatting?