could transgress
Regular verb: transgress - transgressed- transgressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could transgress
you could transgress
he could transgress
we could transgress
you could transgress
they could transgress 	I could be transgressing
you could be transgressing
he could be transgressing
we could be transgressing
you could be transgressing
they could be transgressing	I could have transgressed
you could have transgressed
he could have transgressed
we could have transgressed
you could have transgressed
they could have transgressed	I could have been transgressing
you could have been transgressing
he could have been transgressing
we could have been transgressing
you could have been transgressing
they could have been transgressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't transgress
you couldn't transgress
he couldn't transgress
we couldn't transgress
you couldn't transgress
they couldn't transgress 	I couldn't be transgressing
you couldn't be transgressing
he couldn't be transgressing
we couldn't be transgressing
you couldn't be transgressing
they couldn't be transgressing	I couldn't have transgressed
you couldn't have transgressed
he couldn't have transgressed
we couldn't have transgressed
you couldn't have transgressed
they couldn't have transgressed	I couldn't have been transgressing
you couldn't have been transgressing
he couldn't have been transgressing
we couldn't have been transgressing
you couldn't have been transgressing
they couldn't have been transgressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I transgress?
could you transgress?
could he transgress?
could we transgress?
could you transgress?
could they transgress? 	could I be transgressing?
could you be transgressing?
could he be transgressing?
could we be transgressing?
could you be transgressing?
could they be transgressing? 	could I have transgressed?
could you have transgressed?
could he have transgressed?
could we have transgressed?
could you have transgressed?
could they have transgressed? 	could I have been transgressing?
could you have been transgressing?
could he have been transgressing?
could we have been transgressing?
could you have been transgressing?
could they have been transgressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I transgress?
couldn't you transgress?
couldn't he transgress?
couldn't we transgress?
couldn't you transgress?
couldn't they transgress? 	couldn't I be transgressing?
couldn't you be transgressing?
couldn't he be transgressing?
couldn't we be transgressing?
couldn't you be transgressing?
couldn't they be transgressing? 	couldn't I have transgressed?
couldn't you have transgressed?
couldn't he have transgressed?
couldn't we have transgressed?
couldn't you have transgressed?
couldn't they have transgressed? 	couldn't I have been transgressing?
couldn't you have been transgressing?
couldn't he have been transgressing?
couldn't we have been transgressing?
couldn't you have been transgressing?
couldn't they have been transgressing?