could clash
Verbo regular: clash - clashed- clashed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could clash
you could clash
he could clash
we could clash
you could clash
they could clash 	I could be clashing
you could be clashing
he could be clashing
we could be clashing
you could be clashing
they could be clashing	I could have clashed
you could have clashed
he could have clashed
we could have clashed
you could have clashed
they could have clashed	I could have been clashing
you could have been clashing
he could have been clashing
we could have been clashing
you could have been clashing
they could have been clashing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not clash
you could not clash
he could not clash
we could not clash
you could not clash
they could not clash 	I could not be clashing
you could not be clashing
he could not be clashing
we could not be clashing
you could not be clashing
they could not be clashing	I could not have clashed
you could not have clashed
he could not have clashed
we could not have clashed
you could not have clashed
they could not have clashed	I could not have been clashing
you could not have been clashing
he could not have been clashing
we could not have been clashing
you could not have been clashing
they could not have been clashing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I clash?
could you clash?
could he clash?
could we clash?
could you clash?
could they clash? 	could I be clashing?
could you be clashing?
could he be clashing?
could we be clashing?
could you be clashing?
could they be clashing? 	could I have clashed?
could you have clashed?
could he have clashed?
could we have clashed?
could you have clashed?
could they have clashed? 	could I have been clashing?
could you have been clashing?
could he have been clashing?
could we have been clashing?
could you have been clashing?
could they have been clashing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not clash?
could you not clash?
could he not clash?
could we not clash?
could you not clash?
could they not clash? 	could I not be clashing?
could you not be clashing?
could he not be clashing?
could we not be clashing?
could you not be clashing?
could they not be clashing? 	could I not have clashed?
could you not have clashed?
could he not have clashed?
could we not have clashed?
could you not have clashed?
could they not have clashed? 	could I not have been clashing?
could you not have been clashing?
could he not have been clashing?
could we not have been clashing?
could you not have been clashing?
could they not have been clashing?