could overwhelm
Regular verb: overwhelm - overwhelmed- overwhelmed

Affirmation 	
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I could overwhelm
you could overwhelm
she could overwhelm
we could overwhelm
you could overwhelm
they could overwhelm 	I could be overwhelming
you could be overwhelming
she could be overwhelming
we could be overwhelming
you could be overwhelming
they could be overwhelming	I could have overwhelmed
you could have overwhelmed
she could have overwhelmed
we could have overwhelmed
you could have overwhelmed
they could have overwhelmed	I could have been overwhelming
you could have been overwhelming
she could have been overwhelming
we could have been overwhelming
you could have been overwhelming
they could have been overwhelming	

Negation 	
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I couldn't overwhelm
you couldn't overwhelm
she couldn't overwhelm
we couldn't overwhelm
you couldn't overwhelm
they couldn't overwhelm 	I couldn't be overwhelming
you couldn't be overwhelming
she couldn't be overwhelming
we couldn't be overwhelming
you couldn't be overwhelming
they couldn't be overwhelming	I couldn't have overwhelmed
you couldn't have overwhelmed
she couldn't have overwhelmed
we couldn't have overwhelmed
you couldn't have overwhelmed
they couldn't have overwhelmed	I couldn't have been overwhelming
you couldn't have been overwhelming
she couldn't have been overwhelming
we couldn't have been overwhelming
you couldn't have been overwhelming
they couldn't have been overwhelming	

Interrogative form 	
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could I overwhelm?
could you overwhelm?
could she overwhelm?
could we overwhelm?
could you overwhelm?
could they overwhelm? 	could I be overwhelming?
could you be overwhelming?
could she be overwhelming?
could we be overwhelming?
could you be overwhelming?
could they be overwhelming? 	could I have overwhelmed?
could you have overwhelmed?
could she have overwhelmed?
could we have overwhelmed?
could you have overwhelmed?
could they have overwhelmed? 	could I have been overwhelming?
could you have been overwhelming?
could she have been overwhelming?
could we have been overwhelming?
could you have been overwhelming?
could they have been overwhelming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overwhelm?
couldn't you overwhelm?
couldn't she overwhelm?
couldn't we overwhelm?
couldn't you overwhelm?
couldn't they overwhelm? 	couldn't I be overwhelming?
couldn't you be overwhelming?
couldn't she be overwhelming?
couldn't we be overwhelming?
couldn't you be overwhelming?
couldn't they be overwhelming? 	couldn't I have overwhelmed?
couldn't you have overwhelmed?
couldn't she have overwhelmed?
couldn't we have overwhelmed?
couldn't you have overwhelmed?
couldn't they have overwhelmed? 	couldn't I have been overwhelming?
couldn't you have been overwhelming?
couldn't she have been overwhelming?
couldn't we have been overwhelming?
couldn't you have been overwhelming?
couldn't they have been overwhelming?