could diapause
Verbo regular: diapause - diapaused- diapaused

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could diapause
you could diapause
he could diapause
we could diapause
you could diapause
they could diapause 	I could be diapausing
you could be diapausing
he could be diapausing
we could be diapausing
you could be diapausing
they could be diapausing	I could have diapaused
you could have diapaused
he could have diapaused
we could have diapaused
you could have diapaused
they could have diapaused	I could have been diapausing
you could have been diapausing
he could have been diapausing
we could have been diapausing
you could have been diapausing
they could have been diapausing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not diapause
you could not diapause
he could not diapause
we could not diapause
you could not diapause
they could not diapause 	I could not be diapausing
you could not be diapausing
he could not be diapausing
we could not be diapausing
you could not be diapausing
they could not be diapausing	I could not have diapaused
you could not have diapaused
he could not have diapaused
we could not have diapaused
you could not have diapaused
they could not have diapaused	I could not have been diapausing
you could not have been diapausing
he could not have been diapausing
we could not have been diapausing
you could not have been diapausing
they could not have been diapausing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I diapause?
could you diapause?
could he diapause?
could we diapause?
could you diapause?
could they diapause? 	could I be diapausing?
could you be diapausing?
could he be diapausing?
could we be diapausing?
could you be diapausing?
could they be diapausing? 	could I have diapaused?
could you have diapaused?
could he have diapaused?
could we have diapaused?
could you have diapaused?
could they have diapaused? 	could I have been diapausing?
could you have been diapausing?
could he have been diapausing?
could we have been diapausing?
could you have been diapausing?
could they have been diapausing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not diapause?
could you not diapause?
could he not diapause?
could we not diapause?
could you not diapause?
could they not diapause? 	could I not be diapausing?
could you not be diapausing?
could he not be diapausing?
could we not be diapausing?
could you not be diapausing?
could they not be diapausing? 	could I not have diapaused?
could you not have diapaused?
could he not have diapaused?
could we not have diapaused?
could you not have diapaused?
could they not have diapaused? 	could I not have been diapausing?
could you not have been diapausing?
could he not have been diapausing?
could we not have been diapausing?
could you not have been diapausing?
could they not have been diapausing?