could downsize
Regular verb: downsize - downsized- downsized

Affirmation 	
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I could downsize
you could downsize
she could downsize
we could downsize
you could downsize
they could downsize 	I could be downsizing
you could be downsizing
she could be downsizing
we could be downsizing
you could be downsizing
they could be downsizing	I could have downsized
you could have downsized
she could have downsized
we could have downsized
you could have downsized
they could have downsized	I could have been downsizing
you could have been downsizing
she could have been downsizing
we could have been downsizing
you could have been downsizing
they could have been downsizing	

Negation 	
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I couldn't downsize
you couldn't downsize
she couldn't downsize
we couldn't downsize
you couldn't downsize
they couldn't downsize 	I couldn't be downsizing
you couldn't be downsizing
she couldn't be downsizing
we couldn't be downsizing
you couldn't be downsizing
they couldn't be downsizing	I couldn't have downsized
you couldn't have downsized
she couldn't have downsized
we couldn't have downsized
you couldn't have downsized
they couldn't have downsized	I couldn't have been downsizing
you couldn't have been downsizing
she couldn't have been downsizing
we couldn't have been downsizing
you couldn't have been downsizing
they couldn't have been downsizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I downsize?
could you downsize?
could she downsize?
could we downsize?
could you downsize?
could they downsize? 	could I be downsizing?
could you be downsizing?
could she be downsizing?
could we be downsizing?
could you be downsizing?
could they be downsizing? 	could I have downsized?
could you have downsized?
could she have downsized?
could we have downsized?
could you have downsized?
could they have downsized? 	could I have been downsizing?
could you have been downsizing?
could she have been downsizing?
could we have been downsizing?
could you have been downsizing?
could they have been downsizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I downsize?
couldn't you downsize?
couldn't she downsize?
couldn't we downsize?
couldn't you downsize?
couldn't they downsize? 	couldn't I be downsizing?
couldn't you be downsizing?
couldn't she be downsizing?
couldn't we be downsizing?
couldn't you be downsizing?
couldn't they be downsizing? 	couldn't I have downsized?
couldn't you have downsized?
couldn't she have downsized?
couldn't we have downsized?
couldn't you have downsized?
couldn't they have downsized? 	couldn't I have been downsizing?
couldn't you have been downsizing?
couldn't she have been downsizing?
couldn't we have been downsizing?
couldn't you have been downsizing?
couldn't they have been downsizing?