could flatter
Regular verb: flatter - flattered- flattered

Affirmation 	
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I could flatter
you could flatter
she could flatter
we could flatter
you could flatter
they could flatter 	I could be flattering
you could be flattering
she could be flattering
we could be flattering
you could be flattering
they could be flattering	I could have flattered
you could have flattered
she could have flattered
we could have flattered
you could have flattered
they could have flattered	I could have been flattering
you could have been flattering
she could have been flattering
we could have been flattering
you could have been flattering
they could have been flattering	

Negation 	
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I couldn't flatter
you couldn't flatter
she couldn't flatter
we couldn't flatter
you couldn't flatter
they couldn't flatter 	I couldn't be flattering
you couldn't be flattering
she couldn't be flattering
we couldn't be flattering
you couldn't be flattering
they couldn't be flattering	I couldn't have flattered
you couldn't have flattered
she couldn't have flattered
we couldn't have flattered
you couldn't have flattered
they couldn't have flattered	I couldn't have been flattering
you couldn't have been flattering
she couldn't have been flattering
we couldn't have been flattering
you couldn't have been flattering
they couldn't have been flattering	

Interrogative form 	
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could I flatter?
could you flatter?
could she flatter?
could we flatter?
could you flatter?
could they flatter? 	could I be flattering?
could you be flattering?
could she be flattering?
could we be flattering?
could you be flattering?
could they be flattering? 	could I have flattered?
could you have flattered?
could she have flattered?
could we have flattered?
could you have flattered?
could they have flattered? 	could I have been flattering?
could you have been flattering?
could she have been flattering?
could we have been flattering?
could you have been flattering?
could they have been flattering? 	

Interro-negative form 	
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couldn't I flatter?
couldn't you flatter?
couldn't she flatter?
couldn't we flatter?
couldn't you flatter?
couldn't they flatter? 	couldn't I be flattering?
couldn't you be flattering?
couldn't she be flattering?
couldn't we be flattering?
couldn't you be flattering?
couldn't they be flattering? 	couldn't I have flattered?
couldn't you have flattered?
couldn't she have flattered?
couldn't we have flattered?
couldn't you have flattered?
couldn't they have flattered? 	couldn't I have been flattering?
couldn't you have been flattering?
couldn't she have been flattering?
couldn't we have been flattering?
couldn't you have been flattering?
couldn't they have been flattering?