could diapause
Verbe régulier : diapause - diapaused- diapaused

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could diapause
you could diapause
she could diapause
we could diapause
you could diapause
they could diapause 	I could be diapausing
you could be diapausing
she could be diapausing
we could be diapausing
you could be diapausing
they could be diapausing	I could have diapaused
you could have diapaused
she 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
she could have been diapausing
we could have been diapausing
you could have been diapausing
they could have been diapausing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't diapause
you couldn't diapause
she couldn't diapause
we couldn't diapause
you couldn't diapause
they couldn't diapause 	I couldn't be diapausing
you couldn't be diapausing
she couldn't be diapausing
we couldn't be diapausing
you couldn't be diapausing
they couldn't be diapausing	I couldn't have diapaused
you couldn't have diapaused
she couldn't have diapaused
we couldn't have diapaused
you couldn't have diapaused
they couldn't have diapaused	I couldn't have been diapausing
you couldn't have been diapausing
she couldn't have been diapausing
we couldn't have been diapausing
you couldn't have been diapausing
they couldn't have been diapausing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I diapause?
could you diapause?
could she diapause?
could we diapause?
could you diapause?
could they diapause? 	could I be diapausing?
could you be diapausing?
could she be diapausing?
could we be diapausing?
could you be diapausing?
could they be diapausing? 	could I have diapaused?
could you have diapaused?
could she 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 she have been diapausing?
could we have been diapausing?
could you have been diapausing?
could they have been diapausing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I diapause?
couldn't you diapause?
couldn't she diapause?
couldn't we diapause?
couldn't you diapause?
couldn't they diapause? 	couldn't I be diapausing?
couldn't you be diapausing?
couldn't she be diapausing?
couldn't we be diapausing?
couldn't you be diapausing?
couldn't they be diapausing? 	couldn't I have diapaused?
couldn't you have diapaused?
couldn't she have diapaused?
couldn't we have diapaused?
couldn't you have diapaused?
couldn't they have diapaused? 	couldn't I have been diapausing?
couldn't you have been diapausing?
couldn't she have been diapausing?
couldn't we have been diapausing?
couldn't you have been diapausing?
couldn't they have been diapausing?