I can accent you can accent he can accent we can accent you can accent they can accent
V-ing form
I can be accenting you can be accenting he can be accenting we can be accenting you can be accenting they can be accenting
Perfect
I can have accented you can have accented he can have accented we can have accented you can have accented they can have accented
V-ing perfect
I can have been accenting you can have been accenting he can have been accenting we can have been accenting you can have been accenting they can have been accenting
Negation
Simple form
I cannot accent you cannot accent he cannot accent we cannot accent you cannot accent they cannot accent
V-ing form
I cannot be accenting you cannot be accenting he cannot be accenting we cannot be accenting you cannot be accenting they cannot be accenting
Perfect
I cannot have accented you cannot have accented he cannot have accented we cannot have accented you cannot have accented they cannot have accented
V-ing perfect
I cannot have been accenting you cannot have been accenting he cannot have been accenting we cannot have been accenting you cannot have been accenting they cannot have been accenting
Interrogative form
Simple form
can I accent? can you accent? can he accent? can we accent? can you accent? can they accent?
V-ing form
can I be accenting? can you be accenting? can he be accenting? can we be accenting? can you be accenting? can they be accenting?
Perfect
can I have accented? can you have accented? can he have accented? can we have accented? can you have accented? can they have accented?
V-ing perfect
can I have been accenting? can you have been accenting? can he have been accenting? can we have been accenting? can you have been accenting? can they have been accenting?
Interro-negative form
Simple form
can I not accent? can you not accent? can he not accent? can we not accent? can you not accent? can they not accent?
V-ing form
can I not be accenting? can you not be accenting? can he not be accenting? can we not be accenting? can you not be accenting? can they not be accenting?
Perfect
can I not have accented? can you not have accented? can he not have accented? can we not have accented? can you not have accented? can they not have accented?
V-ing perfect
can I not have been accenting? can you not have been accenting? can he not have been accenting? can we not have been accenting? can you not have been accenting? can they not have been accenting?