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 couldn't collaborate contribute
you couldn't collaborate contribute
he couldn't collaborate contribute
we couldn't collaborate contribute
you couldn't collaborate contribute
they couldn't collaborate contribute

V-ing form

I couldn't be collaborate contributing
you couldn't be collaborate contributing
he couldn't be collaborate contributing
we couldn't be collaborate contributing
you couldn't be collaborate contributing
they couldn't be collaborate contributing

Perfect

I couldn't have collaborate contributed
you couldn't have collaborate contributed
he couldn't have collaborate contributed
we couldn't have collaborate contributed
you couldn't have collaborate contributed
they couldn't have collaborate contributed

V-ing perfect

I couldn't have been collaborate contributing
you couldn't have been collaborate contributing
he couldn't have been collaborate contributing
we couldn't have been collaborate contributing
you couldn't have been collaborate contributing
they couldn't 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

couldn't I collaborate contribute?
couldn't you collaborate contribute?
couldn't he collaborate contribute?
couldn't we collaborate contribute?
couldn't you collaborate contribute?
couldn't they collaborate contribute?

V-ing form

couldn't I be collaborate contributing?
couldn't you be collaborate contributing?
couldn't he be collaborate contributing?
couldn't we be collaborate contributing?
couldn't you be collaborate contributing?
couldn't they be collaborate contributing?

Perfect

couldn't I have collaborate contributed?
couldn't you have collaborate contributed?
couldn't he have collaborate contributed?
couldn't we have collaborate contributed?
couldn't you have collaborate contributed?
couldn't they have collaborate contributed?

V-ing perfect

couldn't I have been collaborate contributing?
couldn't you have been collaborate contributing?
couldn't he have been collaborate contributing?
couldn't we have been collaborate contributing?
couldn't you have been collaborate contributing?
couldn't they have been collaborate contributing?

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