could dissect
Regular verb: dissect - dissected- dissected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dissect
you could dissect
she could dissect
we could dissect
you could dissect
they could dissect 	I could be dissecting
you could be dissecting
she could be dissecting
we could be dissecting
you could be dissecting
they could be dissecting	I could have dissected
you could have dissected
she could have dissected
we could have dissected
you could have dissected
they could have dissected	I could have been dissecting
you could have been dissecting
she could have been dissecting
we could have been dissecting
you could have been dissecting
they could have been dissecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't dissect
you couldn't dissect
she couldn't dissect
we couldn't dissect
you couldn't dissect
they couldn't dissect 	I couldn't be dissecting
you couldn't be dissecting
she couldn't be dissecting
we couldn't be dissecting
you couldn't be dissecting
they couldn't be dissecting	I couldn't have dissected
you couldn't have dissected
she couldn't have dissected
we couldn't have dissected
you couldn't have dissected
they couldn't have dissected	I couldn't have been dissecting
you couldn't have been dissecting
she couldn't have been dissecting
we couldn't have been dissecting
you couldn't have been dissecting
they couldn't have been dissecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dissect?
could you dissect?
could she dissect?
could we dissect?
could you dissect?
could they dissect? 	could I be dissecting?
could you be dissecting?
could she be dissecting?
could we be dissecting?
could you be dissecting?
could they be dissecting? 	could I have dissected?
could you have dissected?
could she have dissected?
could we have dissected?
could you have dissected?
could they have dissected? 	could I have been dissecting?
could you have been dissecting?
could she have been dissecting?
could we have been dissecting?
could you have been dissecting?
could they have been dissecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I dissect?
couldn't you dissect?
couldn't she dissect?
couldn't we dissect?
couldn't you dissect?
couldn't they dissect? 	couldn't I be dissecting?
couldn't you be dissecting?
couldn't she be dissecting?
couldn't we be dissecting?
couldn't you be dissecting?
couldn't they be dissecting? 	couldn't I have dissected?
couldn't you have dissected?
couldn't she have dissected?
couldn't we have dissected?
couldn't you have dissected?
couldn't they have dissected? 	couldn't I have been dissecting?
couldn't you have been dissecting?
couldn't she have been dissecting?
couldn't we have been dissecting?
couldn't you have been dissecting?
couldn't they have been dissecting?