could blunder
Verbe régulier : blunder - blundered- blundered
Traduction française : faire une gaffe ou un impair - avancer à l'aveuglette 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could blunder
you could blunder
she could blunder
we could blunder
you could blunder
they could blunder 	I could be blundering
you could be blundering
she could be blundering
we could be blundering
you could be blundering
they could be blundering	I could have blundered
you could have blundered
she could have blundered
we could have blundered
you could have blundered
they could have blundered	I could have been blundering
you could have been blundering
she could have been blundering
we could have been blundering
you could have been blundering
they could have been blundering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't blunder
you couldn't blunder
she couldn't blunder
we couldn't blunder
you couldn't blunder
they couldn't blunder 	I couldn't be blundering
you couldn't be blundering
she couldn't be blundering
we couldn't be blundering
you couldn't be blundering
they couldn't be blundering	I couldn't have blundered
you couldn't have blundered
she couldn't have blundered
we couldn't have blundered
you couldn't have blundered
they couldn't have blundered	I couldn't have been blundering
you couldn't have been blundering
she couldn't have been blundering
we couldn't have been blundering
you couldn't have been blundering
they couldn't have been blundering	

Forme interrogative 	
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could I blunder?
could you blunder?
could she blunder?
could we blunder?
could you blunder?
could they blunder? 	could I be blundering?
could you be blundering?
could she be blundering?
could we be blundering?
could you be blundering?
could they be blundering? 	could I have blundered?
could you have blundered?
could she have blundered?
could we have blundered?
could you have blundered?
could they have blundered? 	could I have been blundering?
could you have been blundering?
could she have been blundering?
could we have been blundering?
could you have been blundering?
could they have been blundering? 	

Forme interro-négative 	
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couldn't I blunder?
couldn't you blunder?
couldn't she blunder?
couldn't we blunder?
couldn't you blunder?
couldn't they blunder? 	couldn't I be blundering?
couldn't you be blundering?
couldn't she be blundering?
couldn't we be blundering?
couldn't you be blundering?
couldn't they be blundering? 	couldn't I have blundered?
couldn't you have blundered?
couldn't she have blundered?
couldn't we have blundered?
couldn't you have blundered?
couldn't they have blundered? 	couldn't I have been blundering?
couldn't you have been blundering?
couldn't she have been blundering?
couldn't we have been blundering?
couldn't you have been blundering?
couldn't they have been blundering?