English verb conjugation COULD CROSS-CHECK

Regular verb: cross-check - cross-checked - cross-checked

Affirmation

Simple form

I could cross-check
you could cross-check
he could cross-check
we could cross-check
you could cross-check
they could cross-check

V-ing form

I could be cross-checking
you could be cross-checking
he could be cross-checking
we could be cross-checking
you could be cross-checking
they could be cross-checking

Perfect

I could have cross-checked
you could have cross-checked
he could have cross-checked
we could have cross-checked
you could have cross-checked
they could have cross-checked

V-ing perfect

I could have been cross-checking
you could have been cross-checking
he could have been cross-checking
we could have been cross-checking
you could have been cross-checking
they could have been cross-checking

Negation

Simple form

I could not cross-check
you could not cross-check
he could not cross-check
we could not cross-check
you could not cross-check
they could not cross-check

V-ing form

I could not be cross-checking
you could not be cross-checking
he could not be cross-checking
we could not be cross-checking
you could not be cross-checking
they could not be cross-checking

Perfect

I could not have cross-checked
you could not have cross-checked
he could not have cross-checked
we could not have cross-checked
you could not have cross-checked
they could not have cross-checked

V-ing perfect

I could not have been cross-checking
you could not have been cross-checking
he could not have been cross-checking
we could not have been cross-checking
you could not have been cross-checking
they could not have been cross-checking

Interrogative form

Simple form

could I cross-check?
could you cross-check?
could he cross-check?
could we cross-check?
could you cross-check?
could they cross-check?

V-ing form

could I be cross-checking?
could you be cross-checking?
could he be cross-checking?
could we be cross-checking?
could you be cross-checking?
could they be cross-checking?

Perfect

could I have cross-checked?
could you have cross-checked?
could he have cross-checked?
could we have cross-checked?
could you have cross-checked?
could they have cross-checked?

V-ing perfect

could I have been cross-checking?
could you have been cross-checking?
could he have been cross-checking?
could we have been cross-checking?
could you have been cross-checking?
could they have been cross-checking?

Interro-negative form

Simple form

could I not cross-check?
could you not cross-check?
could he not cross-check?
could we not cross-check?
could you not cross-check?
could they not cross-check?

V-ing form

could I not be cross-checking?
could you not be cross-checking?
could he not be cross-checking?
could we not be cross-checking?
could you not be cross-checking?
could they not be cross-checking?

Perfect

could I not have cross-checked?
could you not have cross-checked?
could he not have cross-checked?
could we not have cross-checked?
could you not have cross-checked?
could they not have cross-checked?

V-ing perfect

could I not have been cross-checking?
could you not have been cross-checking?
could he not have been cross-checking?
could we not have been cross-checking?
could you not have been cross-checking?
could they not have been cross-checking?

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