could plummet
Verbe régulier : plummet - plummeted- plummeted
Traduction française : tomber - chuter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could plummet
you could plummet
she could plummet
we could plummet
you could plummet
they could plummet 	I could be plummeting
you could be plummeting
she could be plummeting
we could be plummeting
you could be plummeting
they could be plummeting	I could have plummeted
you could have plummeted
she could have plummeted
we could have plummeted
you could have plummeted
they could have plummeted	I could have been plummeting
you could have been plummeting
she could have been plummeting
we could have been plummeting
you could have been plummeting
they could have been plummeting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not plummet
you could not plummet
she could not plummet
we could not plummet
you could not plummet
they could not plummet 	I could not be plummeting
you could not be plummeting
she could not be plummeting
we could not be plummeting
you could not be plummeting
they could not be plummeting	I could not have plummeted
you could not have plummeted
she could not have plummeted
we could not have plummeted
you could not have plummeted
they could not have plummeted	I could not have been plummeting
you could not have been plummeting
she could not have been plummeting
we could not have been plummeting
you could not have been plummeting
they could not have been plummeting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I plummet?
could you plummet?
could she plummet?
could we plummet?
could you plummet?
could they plummet? 	could I be plummeting?
could you be plummeting?
could she be plummeting?
could we be plummeting?
could you be plummeting?
could they be plummeting? 	could I have plummeted?
could you have plummeted?
could she have plummeted?
could we have plummeted?
could you have plummeted?
could they have plummeted? 	could I have been plummeting?
could you have been plummeting?
could she have been plummeting?
could we have been plummeting?
could you have been plummeting?
could they have been plummeting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not plummet?
could you not plummet?
could she not plummet?
could we not plummet?
could you not plummet?
could they not plummet? 	could I not be plummeting?
could you not be plummeting?
could she not be plummeting?
could we not be plummeting?
could you not be plummeting?
could they not be plummeting? 	could I not have plummeted?
could you not have plummeted?
could she not have plummeted?
could we not have plummeted?
could you not have plummeted?
could they not have plummeted? 	could I not have been plummeting?
could you not have been plummeting?
could she not have been plummeting?
could we not have been plummeting?
could you not have been plummeting?
could they not have been plummeting?