can roust
Regular verb: roust - rousted- rousted

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