can couch
Verbo regular: couch - couched- couched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can couch
you can couch
she can couch
we can couch
you can couch
they can couch 	I can be couching
you can be couching
she can be couching
we can be couching
you can be couching
they can be couching	I can have couched
you can have couched
she can have couched
we can have couched
you can have couched
they can have couched	I can have been couching
you can have been couching
she can have been couching
we can have been couching
you can have been couching
they can have been couching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot couch
you cannot couch
she cannot couch
we cannot couch
you cannot couch
they cannot couch 	I cannot be couching
you cannot be couching
she cannot be couching
we cannot be couching
you cannot be couching
they cannot be couching	I cannot have couched
you cannot have couched
she cannot have couched
we cannot have couched
you cannot have couched
they cannot have couched	I cannot have been couching
you cannot have been couching
she cannot have been couching
we cannot have been couching
you cannot have been couching
they cannot have been couching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I couch?
can you couch?
can she couch?
can we couch?
can you couch?
can they couch? 	can I be couching?
can you be couching?
can she be couching?
can we be couching?
can you be couching?
can they be couching? 	can I have couched?
can you have couched?
can she have couched?
can we have couched?
can you have couched?
can they have couched? 	can I have been couching?
can you have been couching?
can she have been couching?
can we have been couching?
can you have been couching?
can they have been couching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not couch?
can you not couch?
can she not couch?
can we not couch?
can you not couch?
can they not couch? 	can I not be couching?
can you not be couching?
can she not be couching?
can we not be couching?
can you not be couching?
can they not be couching? 	can I not have couched?
can you not have couched?
can she not have couched?
can we not have couched?
can you not have couched?
can they not have couched? 	can I not have been couching?
can you not have been couching?
can she not have been couching?
can we not have been couching?
can you not have been couching?
can they not have been couching?