could promote
Regular verb: promote - promoted- promoted

Affirmation 	
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I could promote
you could promote
she could promote
we could promote
you could promote
they could promote 	I could be promoting
you could be promoting
she could be promoting
we could be promoting
you could be promoting
they could be promoting	I could have promoted
you could have promoted
she could have promoted
we could have promoted
you could have promoted
they could have promoted	I could have been promoting
you could have been promoting
she could have been promoting
we could have been promoting
you could have been promoting
they could have been promoting	

Negation 	
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I couldn't promote
you couldn't promote
she couldn't promote
we couldn't promote
you couldn't promote
they couldn't promote 	I couldn't be promoting
you couldn't be promoting
she couldn't be promoting
we couldn't be promoting
you couldn't be promoting
they couldn't be promoting	I couldn't have promoted
you couldn't have promoted
she couldn't have promoted
we couldn't have promoted
you couldn't have promoted
they couldn't have promoted	I couldn't have been promoting
you couldn't have been promoting
she couldn't have been promoting
we couldn't have been promoting
you couldn't have been promoting
they couldn't have been promoting	

Interrogative form 	
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could I promote?
could you promote?
could she promote?
could we promote?
could you promote?
could they promote? 	could I be promoting?
could you be promoting?
could she be promoting?
could we be promoting?
could you be promoting?
could they be promoting? 	could I have promoted?
could you have promoted?
could she have promoted?
could we have promoted?
could you have promoted?
could they have promoted? 	could I have been promoting?
could you have been promoting?
could she have been promoting?
could we have been promoting?
could you have been promoting?
could they have been promoting? 	

Interro-negative form 	
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couldn't I promote?
couldn't you promote?
couldn't she promote?
couldn't we promote?
couldn't you promote?
couldn't they promote? 	couldn't I be promoting?
couldn't you be promoting?
couldn't she be promoting?
couldn't we be promoting?
couldn't you be promoting?
couldn't they be promoting? 	couldn't I have promoted?
couldn't you have promoted?
couldn't she have promoted?
couldn't we have promoted?
couldn't you have promoted?
couldn't they have promoted? 	couldn't I have been promoting?
couldn't you have been promoting?
couldn't she have been promoting?
couldn't we have been promoting?
couldn't you have been promoting?
couldn't they have been promoting?