could underwhelm
Verbe régulier : underwhelm - underwhelmed- underwhelmed
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Affirmation 	
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I could underwhelm
you could underwhelm
he could underwhelm
we could underwhelm
you could underwhelm
they could underwhelm 	I could be underwhelming
you could be underwhelming
he could be underwhelming
we could be underwhelming
you could be underwhelming
they could be underwhelming	I could have underwhelmed
you could have underwhelmed
he could have underwhelmed
we could have underwhelmed
you could have underwhelmed
they could have underwhelmed	I could have been underwhelming
you could have been underwhelming
he could have been underwhelming
we could have been underwhelming
you could have been underwhelming
they could have been underwhelming	

Négation 	
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I couldn't underwhelm
you couldn't underwhelm
he couldn't underwhelm
we couldn't underwhelm
you couldn't underwhelm
they couldn't underwhelm 	I couldn't be underwhelming
you couldn't be underwhelming
he couldn't be underwhelming
we couldn't be underwhelming
you couldn't be underwhelming
they couldn't be underwhelming	I couldn't have underwhelmed
you couldn't have underwhelmed
he couldn't have underwhelmed
we couldn't have underwhelmed
you couldn't have underwhelmed
they couldn't have underwhelmed	I couldn't have been underwhelming
you couldn't have been underwhelming
he couldn't have been underwhelming
we couldn't have been underwhelming
you couldn't have been underwhelming
they couldn't have been underwhelming	

Forme interrogative 	
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could I underwhelm?
could you underwhelm?
could he underwhelm?
could we underwhelm?
could you underwhelm?
could they underwhelm? 	could I be underwhelming?
could you be underwhelming?
could he be underwhelming?
could we be underwhelming?
could you be underwhelming?
could they be underwhelming? 	could I have underwhelmed?
could you have underwhelmed?
could he have underwhelmed?
could we have underwhelmed?
could you have underwhelmed?
could they have underwhelmed? 	could I have been underwhelming?
could you have been underwhelming?
could he have been underwhelming?
could we have been underwhelming?
could you have been underwhelming?
could they have been underwhelming? 	

Forme interro-négative 	
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couldn't I underwhelm?
couldn't you underwhelm?
couldn't he underwhelm?
couldn't we underwhelm?
couldn't you underwhelm?
couldn't they underwhelm? 	couldn't I be underwhelming?
couldn't you be underwhelming?
couldn't he be underwhelming?
couldn't we be underwhelming?
couldn't you be underwhelming?
couldn't they be underwhelming? 	couldn't I have underwhelmed?
couldn't you have underwhelmed?
couldn't he have underwhelmed?
couldn't we have underwhelmed?
couldn't you have underwhelmed?
couldn't they have underwhelmed? 	couldn't I have been underwhelming?
couldn't you have been underwhelming?
couldn't he have been underwhelming?
couldn't we have been underwhelming?
couldn't you have been underwhelming?
couldn't they have been underwhelming?