I can negate you can negate he can negate we can negate you can negate they can negate
V-ing form
I can be negating you can be negating he can be negating we can be negating you can be negating they can be negating
Perfect
I can have negated you can have negated he can have negated we can have negated you can have negated they can have negated
V-ing perfect
I can have been negating you can have been negating he can have been negating we can have been negating you can have been negating they can have been negating
Negation
Simple form
I can't negate you can't negate he can't negate we can't negate you can't negate they can't negate
V-ing form
I can't be negating you can't be negating he can't be negating we can't be negating you can't be negating they can't be negating
Perfect
I can't have negated you can't have negated he can't have negated we can't have negated you can't have negated they can't have negated
V-ing perfect
I can't have been negating you can't have been negating he can't have been negating we can't have been negating you can't have been negating they can't have been negating
Interrogative form
Simple form
can I negate? can you negate? can he negate? can we negate? can you negate? can they negate?
V-ing form
can I be negating? can you be negating? can he be negating? can we be negating? can you be negating? can they be negating?
Perfect
can I have negated? can you have negated? can he have negated? can we have negated? can you have negated? can they have negated?
V-ing perfect
can I have been negating? can you have been negating? can he have been negating? can we have been negating? can you have been negating? can they have been negating?
Interro-negative form
Simple form
can't I negate? can't you negate? can't he negate? can't we negate? can't you negate? can't they negate?
V-ing form
can't I be negating? can't you be negating? can't he be negating? can't we be negating? can't you be negating? can't they be negating?
Perfect
can't I have negated? can't you have negated? can't he have negated? can't we have negated? can't you have negated? can't they have negated?
V-ing perfect
can't I have been negating? can't you have been negating? can't he have been negating? can't we have been negating? can't you have been negating? can't they have been negating?