could slander
Regular verb: slander - slandered- slandered

Affirmation 	
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I could slander
you could slander
she could slander
we could slander
you could slander
they could slander 	I could be slandering
you could be slandering
she could be slandering
we could be slandering
you could be slandering
they could be slandering	I could have slandered
you could have slandered
she could have slandered
we could have slandered
you could have slandered
they could have slandered	I could have been slandering
you could have been slandering
she could have been slandering
we could have been slandering
you could have been slandering
they could have been slandering	

Negation 	
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I couldn't slander
you couldn't slander
she couldn't slander
we couldn't slander
you couldn't slander
they couldn't slander 	I couldn't be slandering
you couldn't be slandering
she couldn't be slandering
we couldn't be slandering
you couldn't be slandering
they couldn't be slandering	I couldn't have slandered
you couldn't have slandered
she couldn't have slandered
we couldn't have slandered
you couldn't have slandered
they couldn't have slandered	I couldn't have been slandering
you couldn't have been slandering
she couldn't have been slandering
we couldn't have been slandering
you couldn't have been slandering
they couldn't have been slandering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I slander?
could you slander?
could she slander?
could we slander?
could you slander?
could they slander? 	could I be slandering?
could you be slandering?
could she be slandering?
could we be slandering?
could you be slandering?
could they be slandering? 	could I have slandered?
could you have slandered?
could she have slandered?
could we have slandered?
could you have slandered?
could they have slandered? 	could I have been slandering?
could you have been slandering?
could she have been slandering?
could we have been slandering?
could you have been slandering?
could they have been slandering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I slander?
couldn't you slander?
couldn't she slander?
couldn't we slander?
couldn't you slander?
couldn't they slander? 	couldn't I be slandering?
couldn't you be slandering?
couldn't she be slandering?
couldn't we be slandering?
couldn't you be slandering?
couldn't they be slandering? 	couldn't I have slandered?
couldn't you have slandered?
couldn't she have slandered?
couldn't we have slandered?
couldn't you have slandered?
couldn't they have slandered? 	couldn't I have been slandering?
couldn't you have been slandering?
couldn't she have been slandering?
couldn't we have been slandering?
couldn't you have been slandering?
couldn't they have been slandering?