English verb conjugation
CAN CIRCULATE

Regular verb: circulate - circulated - circulated

Affirmation

Simple form	V-ing form
I can circulate you can circulate he can circulate we can circulate you can circulate they can circulate	I can be circulating you can be circulating he can be circulating we can be circulating you can be circulating they can be circulating
Perfect	V-ing perfect
I can have circulated you can have circulated he can have circulated we can have circulated you can have circulated they can have circulated	I can have been circulating you can have been circulating he can have been circulating we can have been circulating you can have been circulating they can have been circulating

Negation

Simple form	V-ing form
I can't circulate you can't circulate he can't circulate we can't circulate you can't circulate they can't circulate	I can't be circulating you can't be circulating he can't be circulating we can't be circulating you can't be circulating they can't be circulating
Perfect	V-ing perfect
I can't have circulated you can't have circulated he can't have circulated we can't have circulated you can't have circulated they can't have circulated	I can't have been circulating you can't have been circulating he can't have been circulating we can't have been circulating you can't have been circulating they can't have been circulating

Interrogative form

Simple form	V-ing form
can I circulate? can you circulate? can he circulate? can we circulate? can you circulate? can they circulate?	can I be circulating? can you be circulating? can he be circulating? can we be circulating? can you be circulating? can they be circulating?
Perfect	V-ing perfect
can I have circulated? can you have circulated? can he have circulated? can we have circulated? can you have circulated? can they have circulated?	can I have been circulating? can you have been circulating? can he have been circulating? can we have been circulating? can you have been circulating? can they have been circulating?

Interro-negative form

Simple form	V-ing form
can't I circulate? can't you circulate? can't he circulate? can't we circulate? can't you circulate? can't they circulate?	can't I be circulating? can't you be circulating? can't he be circulating? can't we be circulating? can't you be circulating? can't they be circulating?
Perfect	V-ing perfect
can't I have circulated? can't you have circulated? can't he have circulated? can't we have circulated? can't you have circulated? can't they have circulated?	can't I have been circulating? can't you have been circulating? can't he have been circulating? can't we have been circulating? can't you have been circulating? can't they have been circulating?