could vacate
Regular verb: vacate - vacated- vacated

Affirmation 	
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I could vacate
you could vacate
he could vacate
we could vacate
you could vacate
they could vacate 	I could be vacating
you could be vacating
he could be vacating
we could be vacating
you could be vacating
they could be vacating	I could have vacated
you could have vacated
he could have vacated
we could have vacated
you could have vacated
they could have vacated	I could have been vacating
you could have been vacating
he could have been vacating
we could have been vacating
you could have been vacating
they could have been vacating	

Negation 	
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I couldn't vacate
you couldn't vacate
he couldn't vacate
we couldn't vacate
you couldn't vacate
they couldn't vacate 	I couldn't be vacating
you couldn't be vacating
he couldn't be vacating
we couldn't be vacating
you couldn't be vacating
they couldn't be vacating	I couldn't have vacated
you couldn't have vacated
he couldn't have vacated
we couldn't have vacated
you couldn't have vacated
they couldn't have vacated	I couldn't have been vacating
you couldn't have been vacating
he couldn't have been vacating
we couldn't have been vacating
you couldn't have been vacating
they couldn't have been vacating	

Interrogative form 	
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could I vacate?
could you vacate?
could he vacate?
could we vacate?
could you vacate?
could they vacate? 	could I be vacating?
could you be vacating?
could he be vacating?
could we be vacating?
could you be vacating?
could they be vacating? 	could I have vacated?
could you have vacated?
could he have vacated?
could we have vacated?
could you have vacated?
could they have vacated? 	could I have been vacating?
could you have been vacating?
could he have been vacating?
could we have been vacating?
could you have been vacating?
could they have been vacating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I vacate?
couldn't you vacate?
couldn't he vacate?
couldn't we vacate?
couldn't you vacate?
couldn't they vacate? 	couldn't I be vacating?
couldn't you be vacating?
couldn't he be vacating?
couldn't we be vacating?
couldn't you be vacating?
couldn't they be vacating? 	couldn't I have vacated?
couldn't you have vacated?
couldn't he have vacated?
couldn't we have vacated?
couldn't you have vacated?
couldn't they have vacated? 	couldn't I have been vacating?
couldn't you have been vacating?
couldn't he have been vacating?
couldn't we have been vacating?
couldn't you have been vacating?
couldn't they have been vacating?