should bitter
Verbe régulier : bitter - bittered- bittered

Affirmation 	
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I'd bitter
you'd bitter
he'd bitter
we'd bitter
you'd bitter
they'd bitter 	I'd be bittering
you'd be bittering
he'd be bittering
we'd be bittering
you'd be bittering
they'd be bittering	I should've bittered
you should've bittered
he should've bittered
we should've bittered
you should've bittered
they should've bittered	I should've been bittering
you should've been bittering
he should've been bittering
we should've been bittering
you should've been bittering
they should've been bittering	

Négation 	
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I shouldn't bitter
you shouldn't bitter
he shouldn't bitter
we shouldn't bitter
you shouldn't bitter
they shouldn't bitter 	I shouldn't be bittering
you shouldn't be bittering
he shouldn't be bittering
we shouldn't be bittering
you shouldn't be bittering
they shouldn't be bittering	I shouldn't have bittered
you shouldn't have bittered
he shouldn't have bittered
we shouldn't have bittered
you shouldn't have bittered
they shouldn't have bittered	I shouldn't have been bittering
you shouldn't have been bittering
he shouldn't have been bittering
we shouldn't have been bittering
you shouldn't have been bittering
they shouldn't have been bittering	

Forme interrogative 	
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should I bitter?
should you bitter?
should he bitter?
should we bitter?
should you bitter?
should they bitter? 	should I be bittering?
should you be bittering?
should he be bittering?
should we be bittering?
should you be bittering?
should they be bittering? 	should I have bittered?
should you have bittered?
should he have bittered?
should we have bittered?
should you have bittered?
should they have bittered? 	should I have been bittering?
should you have been bittering?
should he have been bittering?
should we have been bittering?
should you have been bittering?
should they have been bittering? 	

Forme interro-négative 	
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shouldn't I bitter?
shouldn't you bitter?
shouldn't he bitter?
shouldn't we bitter?
shouldn't you bitter?
shouldn't they bitter? 	shouldn't I be bittering?
shouldn't you be bittering?
shouldn't he be bittering?
shouldn't we be bittering?
shouldn't you be bittering?
shouldn't they be bittering? 	shouldn't I have bittered?
shouldn't you have bittered?
shouldn't he have bittered?
shouldn't we have bittered?
shouldn't you have bittered?
shouldn't they have bittered? 	shouldn't I have been bittering?
shouldn't you have been bittering?
shouldn't he have been bittering?
shouldn't we have been bittering?
shouldn't you have been bittering?
shouldn't they have been bittering?