could cloud
Verbo regular: cloud - clouded- clouded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could cloud
you could cloud
he could cloud
we could cloud
you could cloud
they could cloud 	I could be clouding
you could be clouding
he could be clouding
we could be clouding
you could be clouding
they could be clouding	I could have clouded
you could have clouded
he could have clouded
we could have clouded
you could have clouded
they could have clouded	I could have been clouding
you could have been clouding
he could have been clouding
we could have been clouding
you could have been clouding
they could have been clouding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not cloud
you could not cloud
he could not cloud
we could not cloud
you could not cloud
they could not cloud 	I could not be clouding
you could not be clouding
he could not be clouding
we could not be clouding
you could not be clouding
they could not be clouding	I could not have clouded
you could not have clouded
he could not have clouded
we could not have clouded
you could not have clouded
they could not have clouded	I could not have been clouding
you could not have been clouding
he could not have been clouding
we could not have been clouding
you could not have been clouding
they could not have been clouding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I cloud?
could you cloud?
could he cloud?
could we cloud?
could you cloud?
could they cloud? 	could I be clouding?
could you be clouding?
could he be clouding?
could we be clouding?
could you be clouding?
could they be clouding? 	could I have clouded?
could you have clouded?
could he have clouded?
could we have clouded?
could you have clouded?
could they have clouded? 	could I have been clouding?
could you have been clouding?
could he have been clouding?
could we have been clouding?
could you have been clouding?
could they have been clouding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not cloud?
could you not cloud?
could he not cloud?
could we not cloud?
could you not cloud?
could they not cloud? 	could I not be clouding?
could you not be clouding?
could he not be clouding?
could we not be clouding?
could you not be clouding?
could they not be clouding? 	could I not have clouded?
could you not have clouded?
could he not have clouded?
could we not have clouded?
could you not have clouded?
could they not have clouded? 	could I not have been clouding?
could you not have been clouding?
could he not have been clouding?
could we not have been clouding?
could you not have been clouding?
could they not have been clouding?