English verb conjugation COULD COLLABORATE CONTRIBUTE

Regular verb: collaborate contribute - collaborate contributed - collaborate contributed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could collaborate contribute
you could collaborate contribute
he could collaborate contribute
we could collaborate contribute
you could collaborate contribute
they could collaborate contribute

V-ing form

I could be collaborate contributing
you could be collaborate contributing
he could be collaborate contributing
we could be collaborate contributing
you could be collaborate contributing
they could be collaborate contributing

Perfect

I could have collaborate contributed
you could have collaborate contributed
he could have collaborate contributed
we could have collaborate contributed
you could have collaborate contributed
they could have collaborate contributed

V-ing perfect

I could have been collaborate contributing
you could have been collaborate contributing
he could have been collaborate contributing
we could have been collaborate contributing
you could have been collaborate contributing
they could have been collaborate contributing

Negation

Simple form

I could not collaborate contribute
you could not collaborate contribute
he could not collaborate contribute
we could not collaborate contribute
you could not collaborate contribute
they could not collaborate contribute

V-ing form

I could not be collaborate contributing
you could not be collaborate contributing
he could not be collaborate contributing
we could not be collaborate contributing
you could not be collaborate contributing
they could not be collaborate contributing

Perfect

I could not have collaborate contributed
you could not have collaborate contributed
he could not have collaborate contributed
we could not have collaborate contributed
you could not have collaborate contributed
they could not have collaborate contributed

V-ing perfect

I could not have been collaborate contributing
you could not have been collaborate contributing
he could not have been collaborate contributing
we could not have been collaborate contributing
you could not have been collaborate contributing
they could not have been collaborate contributing

Interrogative form

Simple form

could I collaborate contribute?
could you collaborate contribute?
could he collaborate contribute?
could we collaborate contribute?
could you collaborate contribute?
could they collaborate contribute?

V-ing form

could I be collaborate contributing?
could you be collaborate contributing?
could he be collaborate contributing?
could we be collaborate contributing?
could you be collaborate contributing?
could they be collaborate contributing?

Perfect

could I have collaborate contributed?
could you have collaborate contributed?
could he have collaborate contributed?
could we have collaborate contributed?
could you have collaborate contributed?
could they have collaborate contributed?

V-ing perfect

could I have been collaborate contributing?
could you have been collaborate contributing?
could he have been collaborate contributing?
could we have been collaborate contributing?
could you have been collaborate contributing?
could they have been collaborate contributing?

Interro-negative form

Simple form

could I not collaborate contribute?
could you not collaborate contribute?
could he not collaborate contribute?
could we not collaborate contribute?
could you not collaborate contribute?
could they not collaborate contribute?

V-ing form

could I not be collaborate contributing?
could you not be collaborate contributing?
could he not be collaborate contributing?
could we not be collaborate contributing?
could you not be collaborate contributing?
could they not be collaborate contributing?

Perfect

could I not have collaborate contributed?
could you not have collaborate contributed?
could he not have collaborate contributed?
could we not have collaborate contributed?
could you not have collaborate contributed?
could they not have collaborate contributed?

V-ing perfect

could I not have been collaborate contributing?
could you not have been collaborate contributing?
could he not have been collaborate contributing?
could we not have been collaborate contributing?
could you not have been collaborate contributing?
could they not have been collaborate contributing?

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