could recontaminate
Regular verb: recontaminate - recontaminated- recontaminated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could recontaminate
you could recontaminate
he could recontaminate
we could recontaminate
you could recontaminate
they could recontaminate 	I could be recontaminating
you could be recontaminating
he could be recontaminating
we could be recontaminating
you could be recontaminating
they could be recontaminating	I could have recontaminated
you could have recontaminated
he could have recontaminated
we could have recontaminated
you could have recontaminated
they could have recontaminated	I could have been recontaminating
you could have been recontaminating
he could have been recontaminating
we could have been recontaminating
you could have been recontaminating
they could have been recontaminating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't recontaminate
you couldn't recontaminate
he couldn't recontaminate
we couldn't recontaminate
you couldn't recontaminate
they couldn't recontaminate 	I couldn't be recontaminating
you couldn't be recontaminating
he couldn't be recontaminating
we couldn't be recontaminating
you couldn't be recontaminating
they couldn't be recontaminating	I couldn't have recontaminated
you couldn't have recontaminated
he couldn't have recontaminated
we couldn't have recontaminated
you couldn't have recontaminated
they couldn't have recontaminated	I couldn't have been recontaminating
you couldn't have been recontaminating
he couldn't have been recontaminating
we couldn't have been recontaminating
you couldn't have been recontaminating
they couldn't have been recontaminating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I recontaminate?
could you recontaminate?
could he recontaminate?
could we recontaminate?
could you recontaminate?
could they recontaminate? 	could I be recontaminating?
could you be recontaminating?
could he be recontaminating?
could we be recontaminating?
could you be recontaminating?
could they be recontaminating? 	could I have recontaminated?
could you have recontaminated?
could he have recontaminated?
could we have recontaminated?
could you have recontaminated?
could they have recontaminated? 	could I have been recontaminating?
could you have been recontaminating?
could he have been recontaminating?
could we have been recontaminating?
could you have been recontaminating?
could they have been recontaminating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I recontaminate?
couldn't you recontaminate?
couldn't he recontaminate?
couldn't we recontaminate?
couldn't you recontaminate?
couldn't they recontaminate? 	couldn't I be recontaminating?
couldn't you be recontaminating?
couldn't he be recontaminating?
couldn't we be recontaminating?
couldn't you be recontaminating?
couldn't they be recontaminating? 	couldn't I have recontaminated?
couldn't you have recontaminated?
couldn't he have recontaminated?
couldn't we have recontaminated?
couldn't you have recontaminated?
couldn't they have recontaminated? 	couldn't I have been recontaminating?
couldn't you have been recontaminating?
couldn't he have been recontaminating?
couldn't we have been recontaminating?
couldn't you have been recontaminating?
couldn't they have been recontaminating?