could incise
Regular verb: incise - incised- incised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could incise
you could incise
she could incise
we could incise
you could incise
they could incise 	I could be incising
you could be incising
she could be incising
we could be incising
you could be incising
they could be incising	I could have incised
you could have incised
she could have incised
we could have incised
you could have incised
they could have incised	I could have been incising
you could have been incising
she could have been incising
we could have been incising
you could have been incising
they could have been incising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not incise
you could not incise
she could not incise
we could not incise
you could not incise
they could not incise 	I could not be incising
you could not be incising
she could not be incising
we could not be incising
you could not be incising
they could not be incising	I could not have incised
you could not have incised
she could not have incised
we could not have incised
you could not have incised
they could not have incised	I could not have been incising
you could not have been incising
she could not have been incising
we could not have been incising
you could not have been incising
they could not have been incising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I incise?
could you incise?
could she incise?
could we incise?
could you incise?
could they incise? 	could I be incising?
could you be incising?
could she be incising?
could we be incising?
could you be incising?
could they be incising? 	could I have incised?
could you have incised?
could she have incised?
could we have incised?
could you have incised?
could they have incised? 	could I have been incising?
could you have been incising?
could she have been incising?
could we have been incising?
could you have been incising?
could they have been incising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not incise?
could you not incise?
could she not incise?
could we not incise?
could you not incise?
could they not incise? 	could I not be incising?
could you not be incising?
could she not be incising?
could we not be incising?
could you not be incising?
could they not be incising? 	could I not have incised?
could you not have incised?
could she not have incised?
could we not have incised?
could you not have incised?
could they not have incised? 	could I not have been incising?
could you not have been incising?
could she not have been incising?
could we not have been incising?
could you not have been incising?
could they not have been incising?