could swop
Verbe régulier : swop - swopped- swopped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could swop
you could swop
he could swop
we could swop
you could swop
they could swop 	I could be swopping
you could be swopping
he could be swopping
we could be swopping
you could be swopping
they could be swopping	I could have swopped
you could have swopped
he could have swopped
we could have swopped
you could have swopped
they could have swopped	I could have been swopping
you could have been swopping
he could have been swopping
we could have been swopping
you could have been swopping
they could have been swopping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't swop
you couldn't swop
he couldn't swop
we couldn't swop
you couldn't swop
they couldn't swop 	I couldn't be swopping
you couldn't be swopping
he couldn't be swopping
we couldn't be swopping
you couldn't be swopping
they couldn't be swopping	I couldn't have swopped
you couldn't have swopped
he couldn't have swopped
we couldn't have swopped
you couldn't have swopped
they couldn't have swopped	I couldn't have been swopping
you couldn't have been swopping
he couldn't have been swopping
we couldn't have been swopping
you couldn't have been swopping
they couldn't have been swopping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I swop?
could you swop?
could he swop?
could we swop?
could you swop?
could they swop? 	could I be swopping?
could you be swopping?
could he be swopping?
could we be swopping?
could you be swopping?
could they be swopping? 	could I have swopped?
could you have swopped?
could he have swopped?
could we have swopped?
could you have swopped?
could they have swopped? 	could I have been swopping?
could you have been swopping?
could he have been swopping?
could we have been swopping?
could you have been swopping?
could they have been swopping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I swop?
couldn't you swop?
couldn't he swop?
couldn't we swop?
couldn't you swop?
couldn't they swop? 	couldn't I be swopping?
couldn't you be swopping?
couldn't he be swopping?
couldn't we be swopping?
couldn't you be swopping?
couldn't they be swopping? 	couldn't I have swopped?
couldn't you have swopped?
couldn't he have swopped?
couldn't we have swopped?
couldn't you have swopped?
couldn't they have swopped? 	couldn't I have been swopping?
couldn't you have been swopping?
couldn't he have been swopping?
couldn't we have been swopping?
couldn't you have been swopping?
couldn't they have been swopping?