could duck
Verbe régulier : duck - ducked- ducked
Traduction française : esquiver - se baisser vivement 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could duck
you could duck
she could duck
we could duck
you could duck
they could duck 	I could be ducking
you could be ducking
she could be ducking
we could be ducking
you could be ducking
they could be ducking	I could have ducked
you could have ducked
she could have ducked
we could have ducked
you could have ducked
they could have ducked	I could have been ducking
you could have been ducking
she could have been ducking
we could have been ducking
you could have been ducking
they could have been ducking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't duck
you couldn't duck
she couldn't duck
we couldn't duck
you couldn't duck
they couldn't duck 	I couldn't be ducking
you couldn't be ducking
she couldn't be ducking
we couldn't be ducking
you couldn't be ducking
they couldn't be ducking	I couldn't have ducked
you couldn't have ducked
she couldn't have ducked
we couldn't have ducked
you couldn't have ducked
they couldn't have ducked	I couldn't have been ducking
you couldn't have been ducking
she couldn't have been ducking
we couldn't have been ducking
you couldn't have been ducking
they couldn't have been ducking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I duck?
could you duck?
could she duck?
could we duck?
could you duck?
could they duck? 	could I be ducking?
could you be ducking?
could she be ducking?
could we be ducking?
could you be ducking?
could they be ducking? 	could I have ducked?
could you have ducked?
could she have ducked?
could we have ducked?
could you have ducked?
could they have ducked? 	could I have been ducking?
could you have been ducking?
could she have been ducking?
could we have been ducking?
could you have been ducking?
could they have been ducking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I duck?
couldn't you duck?
couldn't she duck?
couldn't we duck?
couldn't you duck?
couldn't they duck? 	couldn't I be ducking?
couldn't you be ducking?
couldn't she be ducking?
couldn't we be ducking?
couldn't you be ducking?
couldn't they be ducking? 	couldn't I have ducked?
couldn't you have ducked?
couldn't she have ducked?
couldn't we have ducked?
couldn't you have ducked?
couldn't they have ducked? 	couldn't I have been ducking?
couldn't you have been ducking?
couldn't she have been ducking?
couldn't we have been ducking?
couldn't you have been ducking?
couldn't they have been ducking?