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
he could plummet
we could plummet
you could plummet
they could plummet 	I could be plummeting
you could be plummeting
he could be plummeting
we could be plummeting
you could be plummeting
they could be plummeting	I could have plummeted
you could have plummeted
he 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
he 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 couldn't plummet
you couldn't plummet
he couldn't plummet
we couldn't plummet
you couldn't plummet
they couldn't plummet 	I couldn't be plummeting
you couldn't be plummeting
he couldn't be plummeting
we couldn't be plummeting
you couldn't be plummeting
they couldn't be plummeting	I couldn't have plummeted
you couldn't have plummeted
he couldn't have plummeted
we couldn't have plummeted
you couldn't have plummeted
they couldn't have plummeted	I couldn't have been plummeting
you couldn't have been plummeting
he couldn't have been plummeting
we couldn't have been plummeting
you couldn't have been plummeting
they couldn't have been plummeting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I plummet?
could you plummet?
could he plummet?
could we plummet?
could you plummet?
could they plummet? 	could I be plummeting?
could you be plummeting?
could he be plummeting?
could we be plummeting?
could you be plummeting?
could they be plummeting? 	could I have plummeted?
could you have plummeted?
could he 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 he 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 	
couldn't I plummet?
couldn't you plummet?
couldn't he plummet?
couldn't we plummet?
couldn't you plummet?
couldn't they plummet? 	couldn't I be plummeting?
couldn't you be plummeting?
couldn't he be plummeting?
couldn't we be plummeting?
couldn't you be plummeting?
couldn't they be plummeting? 	couldn't I have plummeted?
couldn't you have plummeted?
couldn't he have plummeted?
couldn't we have plummeted?
couldn't you have plummeted?
couldn't they have plummeted? 	couldn't I have been plummeting?
couldn't you have been plummeting?
couldn't he have been plummeting?
couldn't we have been plummeting?
couldn't you have been plummeting?
couldn't they have been plummeting?