can joust
Regular verb: joust - jousted- jousted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can joust
you can joust
she can joust
we can joust
you can joust
they can joust 	I can be jousting
you can be jousting
she can be jousting
we can be jousting
you can be jousting
they can be jousting	I can have jousted
you can have jousted
she can have jousted
we can have jousted
you can have jousted
they can have jousted	I can have been jousting
you can have been jousting
she can have been jousting
we can have been jousting
you can have been jousting
they can have been jousting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't joust
you can't joust
she can't joust
we can't joust
you can't joust
they can't joust 	I can't be jousting
you can't be jousting
she can't be jousting
we can't be jousting
you can't be jousting
they can't be jousting	I can't have jousted
you can't have jousted
she can't have jousted
we can't have jousted
you can't have jousted
they can't have jousted	I can't have been jousting
you can't have been jousting
she can't have been jousting
we can't have been jousting
you can't have been jousting
they can't have been jousting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I joust?
can you joust?
can she joust?
can we joust?
can you joust?
can they joust? 	can I be jousting?
can you be jousting?
can she be jousting?
can we be jousting?
can you be jousting?
can they be jousting? 	can I have jousted?
can you have jousted?
can she have jousted?
can we have jousted?
can you have jousted?
can they have jousted? 	can I have been jousting?
can you have been jousting?
can she have been jousting?
can we have been jousting?
can you have been jousting?
can they have been jousting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I joust?
can't you joust?
can't she joust?
can't we joust?
can't you joust?
can't they joust? 	can't I be jousting?
can't you be jousting?
can't she be jousting?
can't we be jousting?
can't you be jousting?
can't they be jousting? 	can't I have jousted?
can't you have jousted?
can't she have jousted?
can't we have jousted?
can't you have jousted?
can't they have jousted? 	can't I have been jousting?
can't you have been jousting?
can't she have been jousting?
can't we have been jousting?
can't you have been jousting?
can't they have been jousting?