could liquidate
Regular verb: liquidate - liquidated- liquidated

Affirmation 	
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I could liquidate
you could liquidate
he could liquidate
we could liquidate
you could liquidate
they could liquidate 	I could be liquidating
you could be liquidating
he could be liquidating
we could be liquidating
you could be liquidating
they could be liquidating	I could have liquidated
you could have liquidated
he could have liquidated
we could have liquidated
you could have liquidated
they could have liquidated	I could have been liquidating
you could have been liquidating
he could have been liquidating
we could have been liquidating
you could have been liquidating
they could have been liquidating	

Negation 	
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I couldn't liquidate
you couldn't liquidate
he couldn't liquidate
we couldn't liquidate
you couldn't liquidate
they couldn't liquidate 	I couldn't be liquidating
you couldn't be liquidating
he couldn't be liquidating
we couldn't be liquidating
you couldn't be liquidating
they couldn't be liquidating	I couldn't have liquidated
you couldn't have liquidated
he couldn't have liquidated
we couldn't have liquidated
you couldn't have liquidated
they couldn't have liquidated	I couldn't have been liquidating
you couldn't have been liquidating
he couldn't have been liquidating
we couldn't have been liquidating
you couldn't have been liquidating
they couldn't have been liquidating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I liquidate?
could you liquidate?
could he liquidate?
could we liquidate?
could you liquidate?
could they liquidate? 	could I be liquidating?
could you be liquidating?
could he be liquidating?
could we be liquidating?
could you be liquidating?
could they be liquidating? 	could I have liquidated?
could you have liquidated?
could he have liquidated?
could we have liquidated?
could you have liquidated?
could they have liquidated? 	could I have been liquidating?
could you have been liquidating?
could he have been liquidating?
could we have been liquidating?
could you have been liquidating?
could they have been liquidating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I liquidate?
couldn't you liquidate?
couldn't he liquidate?
couldn't we liquidate?
couldn't you liquidate?
couldn't they liquidate? 	couldn't I be liquidating?
couldn't you be liquidating?
couldn't he be liquidating?
couldn't we be liquidating?
couldn't you be liquidating?
couldn't they be liquidating? 	couldn't I have liquidated?
couldn't you have liquidated?
couldn't he have liquidated?
couldn't we have liquidated?
couldn't you have liquidated?
couldn't they have liquidated? 	couldn't I have been liquidating?
couldn't you have been liquidating?
couldn't he have been liquidating?
couldn't we have been liquidating?
couldn't you have been liquidating?
couldn't they have been liquidating?