English verb conjugation
CAN DEFER

Regular verb: defer - deferred - deferred

Affirmation

Simple form	V-ing form
I can defer you can defer he can defer we can defer you can defer they can defer	I can be deferring you can be deferring he can be deferring we can be deferring you can be deferring they can be deferring
Perfect	V-ing perfect
I can have deferred you can have deferred he can have deferred we can have deferred you can have deferred they can have deferred	I can have been deferring you can have been deferring he can have been deferring we can have been deferring you can have been deferring they can have been deferring

Negation

Simple form	V-ing form
I cannot defer you cannot defer he cannot defer we cannot defer you cannot defer they cannot defer	I cannot be deferring you cannot be deferring he cannot be deferring we cannot be deferring you cannot be deferring they cannot be deferring
Perfect	V-ing perfect
I cannot have deferred you cannot have deferred he cannot have deferred we cannot have deferred you cannot have deferred they cannot have deferred	I cannot have been deferring you cannot have been deferring he cannot have been deferring we cannot have been deferring you cannot have been deferring they cannot have been deferring

Interrogative form

Simple form	V-ing form
can I defer? can you defer? can he defer? can we defer? can you defer? can they defer?	can I be deferring? can you be deferring? can he be deferring? can we be deferring? can you be deferring? can they be deferring?
Perfect	V-ing perfect
can I have deferred? can you have deferred? can he have deferred? can we have deferred? can you have deferred? can they have deferred?	can I have been deferring? can you have been deferring? can he have been deferring? can we have been deferring? can you have been deferring? can they have been deferring?

Interro-negative form

Simple form	V-ing form
can I not defer? can you not defer? can he not defer? can we not defer? can you not defer? can they not defer?	can I not be deferring? can you not be deferring? can he not be deferring? can we not be deferring? can you not be deferring? can they not be deferring?
Perfect	V-ing perfect
can I not have deferred? can you not have deferred? can he not have deferred? can we not have deferred? can you not have deferred? can they not have deferred?	can I not have been deferring? can you not have been deferring? can he not have been deferring? can we not have been deferring? can you not have been deferring? can they not have been deferring?