could overwithhold
Irregular verb: overwithhold - overwithheld- overwithheld

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overwithhold
you could overwithhold
he could overwithhold
we could overwithhold
you could overwithhold
they could overwithhold 	I could be overwithholding
you could be overwithholding
he could be overwithholding
we could be overwithholding
you could be overwithholding
they could be overwithholding	I could have overwithheld
you could have overwithheld
he could have overwithheld
we could have overwithheld
you could have overwithheld
they could have overwithheld	I could have been overwithholding
you could have been overwithholding
he could have been overwithholding
we could have been overwithholding
you could have been overwithholding
they could have been overwithholding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't overwithhold
you couldn't overwithhold
he couldn't overwithhold
we couldn't overwithhold
you couldn't overwithhold
they couldn't overwithhold 	I couldn't be overwithholding
you couldn't be overwithholding
he couldn't be overwithholding
we couldn't be overwithholding
you couldn't be overwithholding
they couldn't be overwithholding	I couldn't have overwithheld
you couldn't have overwithheld
he couldn't have overwithheld
we couldn't have overwithheld
you couldn't have overwithheld
they couldn't have overwithheld	I couldn't have been overwithholding
you couldn't have been overwithholding
he couldn't have been overwithholding
we couldn't have been overwithholding
you couldn't have been overwithholding
they couldn't have been overwithholding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overwithhold?
could you overwithhold?
could he overwithhold?
could we overwithhold?
could you overwithhold?
could they overwithhold? 	could I be overwithholding?
could you be overwithholding?
could he be overwithholding?
could we be overwithholding?
could you be overwithholding?
could they be overwithholding? 	could I have overwithheld?
could you have overwithheld?
could he have overwithheld?
could we have overwithheld?
could you have overwithheld?
could they have overwithheld? 	could I have been overwithholding?
could you have been overwithholding?
could he have been overwithholding?
could we have been overwithholding?
could you have been overwithholding?
could they have been overwithholding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overwithhold?
couldn't you overwithhold?
couldn't he overwithhold?
couldn't we overwithhold?
couldn't you overwithhold?
couldn't they overwithhold? 	couldn't I be overwithholding?
couldn't you be overwithholding?
couldn't he be overwithholding?
couldn't we be overwithholding?
couldn't you be overwithholding?
couldn't they be overwithholding? 	couldn't I have overwithheld?
couldn't you have overwithheld?
couldn't he have overwithheld?
couldn't we have overwithheld?
couldn't you have overwithheld?
couldn't they have overwithheld? 	couldn't I have been overwithholding?
couldn't you have been overwithholding?
couldn't he have been overwithholding?
couldn't we have been overwithholding?
couldn't you have been overwithholding?
couldn't they have been overwithholding?