can jib
Regular verb: jib - jibbed- jibbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can jib
you can jib
he can jib
we can jib
you can jib
they can jib 	I can be jibbing
you can be jibbing
he can be jibbing
we can be jibbing
you can be jibbing
they can be jibbing	I can have jibbed
you can have jibbed
he can have jibbed
we can have jibbed
you can have jibbed
they can have jibbed	I can have been jibbing
you can have been jibbing
he can have been jibbing
we can have been jibbing
you can have been jibbing
they can have been jibbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't jib
you can't jib
he can't jib
we can't jib
you can't jib
they can't jib 	I can't be jibbing
you can't be jibbing
he can't be jibbing
we can't be jibbing
you can't be jibbing
they can't be jibbing	I can't have jibbed
you can't have jibbed
he can't have jibbed
we can't have jibbed
you can't have jibbed
they can't have jibbed	I can't have been jibbing
you can't have been jibbing
he can't have been jibbing
we can't have been jibbing
you can't have been jibbing
they can't have been jibbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I jib?
can you jib?
can he jib?
can we jib?
can you jib?
can they jib? 	can I be jibbing?
can you be jibbing?
can he be jibbing?
can we be jibbing?
can you be jibbing?
can they be jibbing? 	can I have jibbed?
can you have jibbed?
can he have jibbed?
can we have jibbed?
can you have jibbed?
can they have jibbed? 	can I have been jibbing?
can you have been jibbing?
can he have been jibbing?
can we have been jibbing?
can you have been jibbing?
can they have been jibbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I jib?
can't you jib?
can't he jib?
can't we jib?
can't you jib?
can't they jib? 	can't I be jibbing?
can't you be jibbing?
can't he be jibbing?
can't we be jibbing?
can't you be jibbing?
can't they be jibbing? 	can't I have jibbed?
can't you have jibbed?
can't he have jibbed?
can't we have jibbed?
can't you have jibbed?
can't they have jibbed? 	can't I have been jibbing?
can't you have been jibbing?
can't he have been jibbing?
can't we have been jibbing?
can't you have been jibbing?
can't they have been jibbing?