can roust
Verbo regular: roust - rousted- rousted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot roust
you cannot roust
he cannot roust
we cannot roust
you cannot roust
they cannot roust 	I cannot be rousting
you cannot be rousting
he cannot be rousting
we cannot be rousting
you cannot be rousting
they cannot be rousting	I cannot have rousted
you cannot have rousted
he cannot have rousted
we cannot have rousted
you cannot have rousted
they cannot have rousted	I cannot have been rousting
you cannot have been rousting
he cannot have been rousting
we cannot have been rousting
you cannot have been rousting
they cannot have been rousting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not roust?
can you not roust?
can he not roust?
can we not roust?
can you not roust?
can they not roust? 	can I not be rousting?
can you not be rousting?
can he not be rousting?
can we not be rousting?
can you not be rousting?
can they not be rousting? 	can I not have rousted?
can you not have rousted?
can he not have rousted?
can we not have rousted?
can you not have rousted?
can they not have rousted? 	can I not have been rousting?
can you not have been rousting?
can he not have been rousting?
can we not have been rousting?
can you not have been rousting?
can they not have been rousting?