could photostat
Regular verb: photostat - photostatted- photostatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could photostat
you could photostat
he could photostat
we could photostat
you could photostat
they could photostat 	I could be photostatting
you could be photostatting
he could be photostatting
we could be photostatting
you could be photostatting
they could be photostatting	I could have photostatted
you could have photostatted
he 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
he 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
he 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
he 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
he 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
he 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 he photostat?
could we photostat?
could you photostat?
could they photostat? 	could I be photostatting?
could you be photostatting?
could he be photostatting?
could we be photostatting?
could you be photostatting?
could they be photostatting? 	could I have photostatted?
could you have photostatted?
could he 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 he 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 he 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 he 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 he 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 he have been photostatting?
couldn't we have been photostatting?
couldn't you have been photostatting?
couldn't they have been photostatting?