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 couldn't incise
you couldn't incise
she couldn't incise
we couldn't incise
you couldn't incise
they couldn't incise 	I couldn't be incising
you couldn't be incising
she couldn't be incising
we couldn't be incising
you couldn't be incising
they couldn't be incising	I couldn't have incised
you couldn't have incised
she couldn't have incised
we couldn't have incised
you couldn't have incised
they couldn't have incised	I couldn't have been incising
you couldn't have been incising
she couldn't have been incising
we couldn't have been incising
you couldn't have been incising
they couldn't 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 	
couldn't I incise?
couldn't you incise?
couldn't she incise?
couldn't we incise?
couldn't you incise?
couldn't they incise? 	couldn't I be incising?
couldn't you be incising?
couldn't she be incising?
couldn't we be incising?
couldn't you be incising?
couldn't they be incising? 	couldn't I have incised?
couldn't you have incised?
couldn't she have incised?
couldn't we have incised?
couldn't you have incised?
couldn't they have incised? 	couldn't I have been incising?
couldn't you have been incising?
couldn't she have been incising?
couldn't we have been incising?
couldn't you have been incising?
couldn't they have been incising?