could assault
Regular verb: assault - assaulted- assaulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could assault
you could assault
she could assault
we could assault
you could assault
they could assault 	I could be assaulting
you could be assaulting
she could be assaulting
we could be assaulting
you could be assaulting
they could be assaulting	I could have assaulted
you could have assaulted
she could have assaulted
we could have assaulted
you could have assaulted
they could have assaulted	I could have been assaulting
you could have been assaulting
she could have been assaulting
we could have been assaulting
you could have been assaulting
they could have been assaulting	

Negation 	
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I couldn't assault
you couldn't assault
she couldn't assault
we couldn't assault
you couldn't assault
they couldn't assault 	I couldn't be assaulting
you couldn't be assaulting
she couldn't be assaulting
we couldn't be assaulting
you couldn't be assaulting
they couldn't be assaulting	I couldn't have assaulted
you couldn't have assaulted
she couldn't have assaulted
we couldn't have assaulted
you couldn't have assaulted
they couldn't have assaulted	I couldn't have been assaulting
you couldn't have been assaulting
she couldn't have been assaulting
we couldn't have been assaulting
you couldn't have been assaulting
they couldn't have been assaulting	

Interrogative form 	
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could I assault?
could you assault?
could she assault?
could we assault?
could you assault?
could they assault? 	could I be assaulting?
could you be assaulting?
could she be assaulting?
could we be assaulting?
could you be assaulting?
could they be assaulting? 	could I have assaulted?
could you have assaulted?
could she have assaulted?
could we have assaulted?
could you have assaulted?
could they have assaulted? 	could I have been assaulting?
could you have been assaulting?
could she have been assaulting?
could we have been assaulting?
could you have been assaulting?
could they have been assaulting? 	

Interro-negative form 	
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couldn't I assault?
couldn't you assault?
couldn't she assault?
couldn't we assault?
couldn't you assault?
couldn't they assault? 	couldn't I be assaulting?
couldn't you be assaulting?
couldn't she be assaulting?
couldn't we be assaulting?
couldn't you be assaulting?
couldn't they be assaulting? 	couldn't I have assaulted?
couldn't you have assaulted?
couldn't she have assaulted?
couldn't we have assaulted?
couldn't you have assaulted?
couldn't they have assaulted? 	couldn't I have been assaulting?
couldn't you have been assaulting?
couldn't she have been assaulting?
couldn't we have been assaulting?
couldn't you have been assaulting?
couldn't they have been assaulting?