could constringe
Verbe régulier : constringe - constringed- constringed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could constringe
you could constringe
he could constringe
we could constringe
you could constringe
they could constringe 	I could be constringing
you could be constringing
he could be constringing
we could be constringing
you could be constringing
they could be constringing	I could have constringed
you could have constringed
he could have constringed
we could have constringed
you could have constringed
they could have constringed	I could have been constringing
you could have been constringing
he could have been constringing
we could have been constringing
you could have been constringing
they could have been constringing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not constringe
you could not constringe
he could not constringe
we could not constringe
you could not constringe
they could not constringe 	I could not be constringing
you could not be constringing
he could not be constringing
we could not be constringing
you could not be constringing
they could not be constringing	I could not have constringed
you could not have constringed
he could not have constringed
we could not have constringed
you could not have constringed
they could not have constringed	I could not have been constringing
you could not have been constringing
he could not have been constringing
we could not have been constringing
you could not have been constringing
they could not have been constringing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I constringe?
could you constringe?
could he constringe?
could we constringe?
could you constringe?
could they constringe? 	could I be constringing?
could you be constringing?
could he be constringing?
could we be constringing?
could you be constringing?
could they be constringing? 	could I have constringed?
could you have constringed?
could he have constringed?
could we have constringed?
could you have constringed?
could they have constringed? 	could I have been constringing?
could you have been constringing?
could he have been constringing?
could we have been constringing?
could you have been constringing?
could they have been constringing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not constringe?
could you not constringe?
could he not constringe?
could we not constringe?
could you not constringe?
could they not constringe? 	could I not be constringing?
could you not be constringing?
could he not be constringing?
could we not be constringing?
could you not be constringing?
could they not be constringing? 	could I not have constringed?
could you not have constringed?
could he not have constringed?
could we not have constringed?
could you not have constringed?
could they not have constringed? 	could I not have been constringing?
could you not have been constringing?
could he not have been constringing?
could we not have been constringing?
could you not have been constringing?
could they not have been constringing?