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 cannot dissent you cannot dissent he cannot dissent we cannot dissent you cannot dissent they cannot dissent
V-ing form
I cannot be dissenting you cannot be dissenting he cannot be dissenting we cannot be dissenting you cannot be dissenting they cannot be dissenting
Perfect
I cannot have dissented you cannot have dissented he cannot have dissented we cannot have dissented you cannot have dissented they cannot have dissented
V-ing perfect
I cannot have been dissenting you cannot have been dissenting he cannot have been dissenting we cannot have been dissenting you cannot have been dissenting they cannot 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 I not dissent? can you not dissent? can he not dissent? can we not dissent? can you not dissent? can they not dissent?
V-ing form
can I not be dissenting? can you not be dissenting? can he not be dissenting? can we not be dissenting? can you not be dissenting? can they not be dissenting?
Perfect
can I not have dissented? can you not have dissented? can he not have dissented? can we not have dissented? can you not have dissented? can they not have dissented?
V-ing perfect
can I not have been dissenting? can you not have been dissenting? can he not have been dissenting? can we not have been dissenting? can you not have been dissenting? can they not have been dissenting?