could flatter
Regular verb: flatter - flattered- flattered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could flatter
you could flatter
he could flatter
we could flatter
you could flatter
they could flatter 	I could be flattering
you could be flattering
he could be flattering
we could be flattering
you could be flattering
they could be flattering	I could have flattered
you could have flattered
he 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
he could have been flattering
we could have been flattering
you could have been flattering
they could have been flattering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't flatter
you couldn't flatter
he 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
he 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
he 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
he 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 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I flatter?
could you flatter?
could he flatter?
could we flatter?
could you flatter?
could they flatter? 	could I be flattering?
could you be flattering?
could he be flattering?
could we be flattering?
could you be flattering?
could they be flattering? 	could I have flattered?
could you have flattered?
could he 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 he have been flattering?
could we have been flattering?
could you have been flattering?
could they have been flattering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I flatter?
couldn't you flatter?
couldn't he 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 he 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 he 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 he have been flattering?
couldn't we have been flattering?
couldn't you have been flattering?
couldn't they have been flattering?