could windmill
Verbe régulier : windmill - windmilled- windmilled
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Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could windmill
you could windmill
she could windmill
we could windmill
you could windmill
they could windmill 	I could be windmilling
you could be windmilling
she could be windmilling
we could be windmilling
you could be windmilling
they could be windmilling	I could have windmilled
you could have windmilled
she could have windmilled
we could have windmilled
you could have windmilled
they could have windmilled	I could have been windmilling
you could have been windmilling
she could have been windmilling
we could have been windmilling
you could have been windmilling
they could have been windmilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not windmill
you could not windmill
she could not windmill
we could not windmill
you could not windmill
they could not windmill 	I could not be windmilling
you could not be windmilling
she could not be windmilling
we could not be windmilling
you could not be windmilling
they could not be windmilling	I could not have windmilled
you could not have windmilled
she could not have windmilled
we could not have windmilled
you could not have windmilled
they could not have windmilled	I could not have been windmilling
you could not have been windmilling
she could not have been windmilling
we could not have been windmilling
you could not have been windmilling
they could not have been windmilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I windmill?
could you windmill?
could she windmill?
could we windmill?
could you windmill?
could they windmill? 	could I be windmilling?
could you be windmilling?
could she be windmilling?
could we be windmilling?
could you be windmilling?
could they be windmilling? 	could I have windmilled?
could you have windmilled?
could she have windmilled?
could we have windmilled?
could you have windmilled?
could they have windmilled? 	could I have been windmilling?
could you have been windmilling?
could she have been windmilling?
could we have been windmilling?
could you have been windmilling?
could they have been windmilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not windmill?
could you not windmill?
could she not windmill?
could we not windmill?
could you not windmill?
could they not windmill? 	could I not be windmilling?
could you not be windmilling?
could she not be windmilling?
could we not be windmilling?
could you not be windmilling?
could they not be windmilling? 	could I not have windmilled?
could you not have windmilled?
could she not have windmilled?
could we not have windmilled?
could you not have windmilled?
could they not have windmilled? 	could I not have been windmilling?
could you not have been windmilling?
could she not have been windmilling?
could we not have been windmilling?
could you not have been windmilling?
could they not have been windmilling?