can defer
Regular verb: defer - deferred- deferred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can defer
you can defer
she can defer
we can defer
you can defer
they can defer 	I can be deferring
you can be deferring
she can be deferring
we can be deferring
you can be deferring
they can be deferring	I can have deferred
you can have deferred
she 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
she 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 	Perfect 	V-ing perfect 	
I can't defer
you can't defer
she can't defer
we can't defer
you can't defer
they can't defer 	I can't be deferring
you can't be deferring
she can't be deferring
we can't be deferring
you can't be deferring
they can't be deferring	I can't have deferred
you can't have deferred
she can't have deferred
we can't have deferred
you can't have deferred
they can't have deferred	I can't have been deferring
you can't have been deferring
she can't have been deferring
we can't have been deferring
you can't have been deferring
they can't have been deferring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I defer?
can you defer?
can she defer?
can we defer?
can you defer?
can they defer? 	can I be deferring?
can you be deferring?
can she be deferring?
can we be deferring?
can you be deferring?
can they be deferring? 	can I have deferred?
can you have deferred?
can she 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 she 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 	Perfect 	V-ing perfect 	
can't I defer?
can't you defer?
can't she defer?
can't we defer?
can't you defer?
can't they defer? 	can't I be deferring?
can't you be deferring?
can't she be deferring?
can't we be deferring?
can't you be deferring?
can't they be deferring? 	can't I have deferred?
can't you have deferred?
can't she have deferred?
can't we have deferred?
can't you have deferred?
can't they have deferred? 	can't I have been deferring?
can't you have been deferring?
can't she have been deferring?
can't we have been deferring?
can't you have been deferring?
can't they have been deferring?