English verb conjugation
CAN CONFER

Regular verb: confer - conferred - conferred

Affirmation

Simple form	V-ing form
I can confer you can confer he can confer we can confer you can confer they can confer	I can be conferring you can be conferring he can be conferring we can be conferring you can be conferring they can be conferring
Perfect	V-ing perfect
I can have conferred you can have conferred he can have conferred we can have conferred you can have conferred they can have conferred	I can have been conferring you can have been conferring he can have been conferring we can have been conferring you can have been conferring they can have been conferring

Negation

Simple form	V-ing form
I cannot confer you cannot confer he cannot confer we cannot confer you cannot confer they cannot confer	I cannot be conferring you cannot be conferring he cannot be conferring we cannot be conferring you cannot be conferring they cannot be conferring
Perfect	V-ing perfect
I cannot have conferred you cannot have conferred he cannot have conferred we cannot have conferred you cannot have conferred they cannot have conferred	I cannot have been conferring you cannot have been conferring he cannot have been conferring we cannot have been conferring you cannot have been conferring they cannot have been conferring

Interrogative form

Simple form	V-ing form
can I confer? can you confer? can he confer? can we confer? can you confer? can they confer?	can I be conferring? can you be conferring? can he be conferring? can we be conferring? can you be conferring? can they be conferring?
Perfect	V-ing perfect
can I have conferred? can you have conferred? can he have conferred? can we have conferred? can you have conferred? can they have conferred?	can I have been conferring? can you have been conferring? can he have been conferring? can we have been conferring? can you have been conferring? can they have been conferring?

Interro-negative form

Simple form	V-ing form
can I not confer? can you not confer? can he not confer? can we not confer? can you not confer? can they not confer?	can I not be conferring? can you not be conferring? can he not be conferring? can we not be conferring? can you not be conferring? can they not be conferring?
Perfect	V-ing perfect
can I not have conferred? can you not have conferred? can he not have conferred? can we not have conferred? can you not have conferred? can they not have conferred?	can I not have been conferring? can you not have been conferring? can he not have been conferring? can we not have been conferring? can you not have been conferring? can they not have been conferring?