can joint
Regular verb: joint - jointed- jointed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can joint
you can joint
he can joint
we can joint
you can joint
they can joint 	I can be jointing
you can be jointing
he can be jointing
we can be jointing
you can be jointing
they can be jointing	I can have jointed
you can have jointed
he can have jointed
we can have jointed
you can have jointed
they can have jointed	I can have been jointing
you can have been jointing
he can have been jointing
we can have been jointing
you can have been jointing
they can have been jointing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't joint
you can't joint
he can't joint
we can't joint
you can't joint
they can't joint 	I can't be jointing
you can't be jointing
he can't be jointing
we can't be jointing
you can't be jointing
they can't be jointing	I can't have jointed
you can't have jointed
he can't have jointed
we can't have jointed
you can't have jointed
they can't have jointed	I can't have been jointing
you can't have been jointing
he can't have been jointing
we can't have been jointing
you can't have been jointing
they can't have been jointing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I joint?
can you joint?
can he joint?
can we joint?
can you joint?
can they joint? 	can I be jointing?
can you be jointing?
can he be jointing?
can we be jointing?
can you be jointing?
can they be jointing? 	can I have jointed?
can you have jointed?
can he have jointed?
can we have jointed?
can you have jointed?
can they have jointed? 	can I have been jointing?
can you have been jointing?
can he have been jointing?
can we have been jointing?
can you have been jointing?
can they have been jointing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I joint?
can't you joint?
can't he joint?
can't we joint?
can't you joint?
can't they joint? 	can't I be jointing?
can't you be jointing?
can't he be jointing?
can't we be jointing?
can't you be jointing?
can't they be jointing? 	can't I have jointed?
can't you have jointed?
can't he have jointed?
can't we have jointed?
can't you have jointed?
can't they have jointed? 	can't I have been jointing?
can't you have been jointing?
can't he have been jointing?
can't we have been jointing?
can't you have been jointing?
can't they have been jointing?