could daguerreotype
Regular verb: daguerreotype - daguerreotyped- daguerreotyped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could daguerreotype
you could daguerreotype
he could daguerreotype
we could daguerreotype
you could daguerreotype
they could daguerreotype 	I could be daguerreotyping
you could be daguerreotyping
he could be daguerreotyping
we could be daguerreotyping
you could be daguerreotyping
they could be daguerreotyping	I could have daguerreotyped
you could have daguerreotyped
he could have daguerreotyped
we could have daguerreotyped
you could have daguerreotyped
they could have daguerreotyped	I could have been daguerreotyping
you could have been daguerreotyping
he could have been daguerreotyping
we could have been daguerreotyping
you could have been daguerreotyping
they could have been daguerreotyping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't daguerreotype
you couldn't daguerreotype
he couldn't daguerreotype
we couldn't daguerreotype
you couldn't daguerreotype
they couldn't daguerreotype 	I couldn't be daguerreotyping
you couldn't be daguerreotyping
he couldn't be daguerreotyping
we couldn't be daguerreotyping
you couldn't be daguerreotyping
they couldn't be daguerreotyping	I couldn't have daguerreotyped
you couldn't have daguerreotyped
he couldn't have daguerreotyped
we couldn't have daguerreotyped
you couldn't have daguerreotyped
they couldn't have daguerreotyped	I couldn't have been daguerreotyping
you couldn't have been daguerreotyping
he couldn't have been daguerreotyping
we couldn't have been daguerreotyping
you couldn't have been daguerreotyping
they couldn't have been daguerreotyping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I daguerreotype?
could you daguerreotype?
could he daguerreotype?
could we daguerreotype?
could you daguerreotype?
could they daguerreotype? 	could I be daguerreotyping?
could you be daguerreotyping?
could he be daguerreotyping?
could we be daguerreotyping?
could you be daguerreotyping?
could they be daguerreotyping? 	could I have daguerreotyped?
could you have daguerreotyped?
could he have daguerreotyped?
could we have daguerreotyped?
could you have daguerreotyped?
could they have daguerreotyped? 	could I have been daguerreotyping?
could you have been daguerreotyping?
could he have been daguerreotyping?
could we have been daguerreotyping?
could you have been daguerreotyping?
could they have been daguerreotyping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I daguerreotype?
couldn't you daguerreotype?
couldn't he daguerreotype?
couldn't we daguerreotype?
couldn't you daguerreotype?
couldn't they daguerreotype? 	couldn't I be daguerreotyping?
couldn't you be daguerreotyping?
couldn't he be daguerreotyping?
couldn't we be daguerreotyping?
couldn't you be daguerreotyping?
couldn't they be daguerreotyping? 	couldn't I have daguerreotyped?
couldn't you have daguerreotyped?
couldn't he have daguerreotyped?
couldn't we have daguerreotyped?
couldn't you have daguerreotyped?
couldn't they have daguerreotyped? 	couldn't I have been daguerreotyping?
couldn't you have been daguerreotyping?
couldn't he have been daguerreotyping?
couldn't we have been daguerreotyping?
couldn't you have been daguerreotyping?
couldn't they have been daguerreotyping?