can roust
Regular verb: roust - rousted- rousted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can roust
you can roust
she can roust
we can roust
you can roust
they can roust 	I can be rousting
you can be rousting
she can be rousting
we can be rousting
you can be rousting
they can be rousting	I can have rousted
you can have rousted
she can have rousted
we can have rousted
you can have rousted
they can have rousted	I can have been rousting
you can have been rousting
she can have been rousting
we can have been rousting
you can have been rousting
they can have been rousting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't roust
you can't roust
she can't roust
we can't roust
you can't roust
they can't roust 	I can't be rousting
you can't be rousting
she can't be rousting
we can't be rousting
you can't be rousting
they can't be rousting	I can't have rousted
you can't have rousted
she can't have rousted
we can't have rousted
you can't have rousted
they can't have rousted	I can't have been rousting
you can't have been rousting
she can't have been rousting
we can't have been rousting
you can't have been rousting
they can't have been rousting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I roust?
can you roust?
can she roust?
can we roust?
can you roust?
can they roust? 	can I be rousting?
can you be rousting?
can she be rousting?
can we be rousting?
can you be rousting?
can they be rousting? 	can I have rousted?
can you have rousted?
can she have rousted?
can we have rousted?
can you have rousted?
can they have rousted? 	can I have been rousting?
can you have been rousting?
can she have been rousting?
can we have been rousting?
can you have been rousting?
can they have been rousting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I roust?
can't you roust?
can't she roust?
can't we roust?
can't you roust?
can't they roust? 	can't I be rousting?
can't you be rousting?
can't she be rousting?
can't we be rousting?
can't you be rousting?
can't they be rousting? 	can't I have rousted?
can't you have rousted?
can't she have rousted?
can't we have rousted?
can't you have rousted?
can't they have rousted? 	can't I have been rousting?
can't you have been rousting?
can't she have been rousting?
can't we have been rousting?
can't you have been rousting?
can't they have been rousting?