English verb conjugation COULD CONTAMINATE

Regular verb: contaminate - contaminated - contaminated


Affirmation

Simple form

I could contaminate
you could contaminate
he could contaminate
we could contaminate
you could contaminate
they could contaminate

V-ing form

I could be contaminating
you could be contaminating
he could be contaminating
we could be contaminating
you could be contaminating
they could be contaminating

Perfect

I could have contaminated
you could have contaminated
he could have contaminated
we could have contaminated
you could have contaminated
they could have contaminated

V-ing perfect

I could have been contaminating
you could have been contaminating
he could have been contaminating
we could have been contaminating
you could have been contaminating
they could have been contaminating

Negation

Simple form

I could not contaminate
you could not contaminate
he could not contaminate
we could not contaminate
you could not contaminate
they could not contaminate

V-ing form

I could not be contaminating
you could not be contaminating
he could not be contaminating
we could not be contaminating
you could not be contaminating
they could not be contaminating

Perfect

I could not have contaminated
you could not have contaminated
he could not have contaminated
we could not have contaminated
you could not have contaminated
they could not have contaminated

V-ing perfect

I could not have been contaminating
you could not have been contaminating
he could not have been contaminating
we could not have been contaminating
you could not have been contaminating
they could not have been contaminating

Interrogative form

Simple form

could I contaminate?
could you contaminate?
could he contaminate?
could we contaminate?
could you contaminate?
could they contaminate?

V-ing form

could I be contaminating?
could you be contaminating?
could he be contaminating?
could we be contaminating?
could you be contaminating?
could they be contaminating?

Perfect

could I have contaminated?
could you have contaminated?
could he have contaminated?
could we have contaminated?
could you have contaminated?
could they have contaminated?

V-ing perfect

could I have been contaminating?
could you have been contaminating?
could he have been contaminating?
could we have been contaminating?
could you have been contaminating?
could they have been contaminating?

Interro-negative form

Simple form

could I not contaminate?
could you not contaminate?
could he not contaminate?
could we not contaminate?
could you not contaminate?
could they not contaminate?

V-ing form

could I not be contaminating?
could you not be contaminating?
could he not be contaminating?
could we not be contaminating?
could you not be contaminating?
could they not be contaminating?

Perfect

could I not have contaminated?
could you not have contaminated?
could he not have contaminated?
could we not have contaminated?
could you not have contaminated?
could they not have contaminated?

V-ing perfect

could I not have been contaminating?
could you not have been contaminating?
could he not have been contaminating?
could we not have been contaminating?
could you not have been contaminating?
could they not have been contaminating?