I can dissent you can dissent he can dissent we can dissent you can dissent they can dissent
V-ing form
I can be dissenting you can be dissenting he can be dissenting we can be dissenting you can be dissenting they can be dissenting
Perfect
I can have dissented you can have dissented he can have dissented we can have dissented you can have dissented they can have dissented
V-ing perfect
I can have been dissenting you can have been dissenting he can have been dissenting we can have been dissenting you can have been dissenting they can have been dissenting
Negation
Simple form
I can't dissent you can't dissent he can't dissent we can't dissent you can't dissent they can't dissent
V-ing form
I can't be dissenting you can't be dissenting he can't be dissenting we can't be dissenting you can't be dissenting they can't be dissenting
Perfect
I can't have dissented you can't have dissented he can't have dissented we can't have dissented you can't have dissented they can't have dissented
V-ing perfect
I can't have been dissenting you can't have been dissenting he can't have been dissenting we can't have been dissenting you can't have been dissenting they can't have been dissenting
Interrogative form
Simple form
can I dissent? can you dissent? can he dissent? can we dissent? can you dissent? can they dissent?
V-ing form
can I be dissenting? can you be dissenting? can he be dissenting? can we be dissenting? can you be dissenting? can they be dissenting?
Perfect
can I have dissented? can you have dissented? can he have dissented? can we have dissented? can you have dissented? can they have dissented?
V-ing perfect
can I have been dissenting? can you have been dissenting? can he have been dissenting? can we have been dissenting? can you have been dissenting? can they have been dissenting?
Interro-negative form
Simple form
can't I dissent? can't you dissent? can't he dissent? can't we dissent? can't you dissent? can't they dissent?
V-ing form
can't I be dissenting? can't you be dissenting? can't he be dissenting? can't we be dissenting? can't you be dissenting? can't they be dissenting?
Perfect
can't I have dissented? can't you have dissented? can't he have dissented? can't we have dissented? can't you have dissented? can't they have dissented?
V-ing perfect
can't I have been dissenting? can't you have been dissenting? can't he have been dissenting? can't we have been dissenting? can't you have been dissenting? can't they have been dissenting?