could prank
Verbe régulier : prank - pranked- pranked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could prank
you could prank
he could prank
we could prank
you could prank
they could prank 	I could be pranking
you could be pranking
he could be pranking
we could be pranking
you could be pranking
they could be pranking	I could have pranked
you could have pranked
he could have pranked
we could have pranked
you could have pranked
they could have pranked	I could have been pranking
you could have been pranking
he could have been pranking
we could have been pranking
you could have been pranking
they could have been pranking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't prank
you couldn't prank
he couldn't prank
we couldn't prank
you couldn't prank
they couldn't prank 	I couldn't be pranking
you couldn't be pranking
he couldn't be pranking
we couldn't be pranking
you couldn't be pranking
they couldn't be pranking	I couldn't have pranked
you couldn't have pranked
he couldn't have pranked
we couldn't have pranked
you couldn't have pranked
they couldn't have pranked	I couldn't have been pranking
you couldn't have been pranking
he couldn't have been pranking
we couldn't have been pranking
you couldn't have been pranking
they couldn't have been pranking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I prank?
could you prank?
could he prank?
could we prank?
could you prank?
could they prank? 	could I be pranking?
could you be pranking?
could he be pranking?
could we be pranking?
could you be pranking?
could they be pranking? 	could I have pranked?
could you have pranked?
could he have pranked?
could we have pranked?
could you have pranked?
could they have pranked? 	could I have been pranking?
could you have been pranking?
could he have been pranking?
could we have been pranking?
could you have been pranking?
could they have been pranking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I prank?
couldn't you prank?
couldn't he prank?
couldn't we prank?
couldn't you prank?
couldn't they prank? 	couldn't I be pranking?
couldn't you be pranking?
couldn't he be pranking?
couldn't we be pranking?
couldn't you be pranking?
couldn't they be pranking? 	couldn't I have pranked?
couldn't you have pranked?
couldn't he have pranked?
couldn't we have pranked?
couldn't you have pranked?
couldn't they have pranked? 	couldn't I have been pranking?
couldn't you have been pranking?
couldn't he have been pranking?
couldn't we have been pranking?
couldn't you have been pranking?
couldn't they have been pranking?