English verb conjugation
CAN RULE

Regular verb: rule - ruled - ruled

Affirmation

Simple form	V-ing form
I can rule you can rule he can rule we can rule you can rule they can rule	I can be ruling you can be ruling he can be ruling we can be ruling you can be ruling they can be ruling
Perfect	V-ing perfect
I can have ruled you can have ruled he can have ruled we can have ruled you can have ruled they can have ruled	I can have been ruling you can have been ruling he can have been ruling we can have been ruling you can have been ruling they can have been ruling

Negation

Simple form	V-ing form
I can't rule you can't rule he can't rule we can't rule you can't rule they can't rule	I can't be ruling you can't be ruling he can't be ruling we can't be ruling you can't be ruling they can't be ruling
Perfect	V-ing perfect
I can't have ruled you can't have ruled he can't have ruled we can't have ruled you can't have ruled they can't have ruled	I can't have been ruling you can't have been ruling he can't have been ruling we can't have been ruling you can't have been ruling they can't have been ruling

Interrogative form

Simple form	V-ing form
can I rule? can you rule? can he rule? can we rule? can you rule? can they rule?	can I be ruling? can you be ruling? can he be ruling? can we be ruling? can you be ruling? can they be ruling?
Perfect	V-ing perfect
can I have ruled? can you have ruled? can he have ruled? can we have ruled? can you have ruled? can they have ruled?	can I have been ruling? can you have been ruling? can he have been ruling? can we have been ruling? can you have been ruling? can they have been ruling?

Interro-negative form

Simple form	V-ing form
can't I rule? can't you rule? can't he rule? can't we rule? can't you rule? can't they rule?	can't I be ruling? can't you be ruling? can't he be ruling? can't we be ruling? can't you be ruling? can't they be ruling?
Perfect	V-ing perfect
can't I have ruled? can't you have ruled? can't he have ruled? can't we have ruled? can't you have ruled? can't they have ruled?	can't I have been ruling? can't you have been ruling? can't he have been ruling? can't we have been ruling? can't you have been ruling? can't they have been ruling?