English verb conjugation
COULD PHOTOSTAT

Regular verb: photostat - photostatted - photostatted

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?