could videotape
Regular verb: videotape - videotaped- videotaped

Affirmation 	
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I could videotape
you could videotape
he could videotape
we could videotape
you could videotape
they could videotape 	I could be videotaping
you could be videotaping
he could be videotaping
we could be videotaping
you could be videotaping
they could be videotaping	I could have videotaped
you could have videotaped
he could have videotaped
we could have videotaped
you could have videotaped
they could have videotaped	I could have been videotaping
you could have been videotaping
he could have been videotaping
we could have been videotaping
you could have been videotaping
they could have been videotaping	

Negation 	
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I couldn't videotape
you couldn't videotape
he couldn't videotape
we couldn't videotape
you couldn't videotape
they couldn't videotape 	I couldn't be videotaping
you couldn't be videotaping
he couldn't be videotaping
we couldn't be videotaping
you couldn't be videotaping
they couldn't be videotaping	I couldn't have videotaped
you couldn't have videotaped
he couldn't have videotaped
we couldn't have videotaped
you couldn't have videotaped
they couldn't have videotaped	I couldn't have been videotaping
you couldn't have been videotaping
he couldn't have been videotaping
we couldn't have been videotaping
you couldn't have been videotaping
they couldn't have been videotaping	

Interrogative form 	
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could I videotape?
could you videotape?
could he videotape?
could we videotape?
could you videotape?
could they videotape? 	could I be videotaping?
could you be videotaping?
could he be videotaping?
could we be videotaping?
could you be videotaping?
could they be videotaping? 	could I have videotaped?
could you have videotaped?
could he have videotaped?
could we have videotaped?
could you have videotaped?
could they have videotaped? 	could I have been videotaping?
could you have been videotaping?
could he have been videotaping?
could we have been videotaping?
could you have been videotaping?
could they have been videotaping? 	

Interro-negative form 	
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couldn't I videotape?
couldn't you videotape?
couldn't he videotape?
couldn't we videotape?
couldn't you videotape?
couldn't they videotape? 	couldn't I be videotaping?
couldn't you be videotaping?
couldn't he be videotaping?
couldn't we be videotaping?
couldn't you be videotaping?
couldn't they be videotaping? 	couldn't I have videotaped?
couldn't you have videotaped?
couldn't he have videotaped?
couldn't we have videotaped?
couldn't you have videotaped?
couldn't they have videotaped? 	couldn't I have been videotaping?
couldn't you have been videotaping?
couldn't he have been videotaping?
couldn't we have been videotaping?
couldn't you have been videotaping?
couldn't they have been videotaping?