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
she 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
she 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
she 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
she 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 couldn't cross-check
you couldn't cross-check
she couldn't cross-check
we couldn't cross-check
you couldn't cross-check
they couldn't cross-check

V-ing form

I couldn't be cross-checking
you couldn't be cross-checking
she couldn't be cross-checking
we couldn't be cross-checking
you couldn't be cross-checking
they couldn't be cross-checking

Perfect

I couldn't have cross-checked
you couldn't have cross-checked
she couldn't have cross-checked
we couldn't have cross-checked
you couldn't have cross-checked
they couldn't have cross-checked

V-ing perfect

I couldn't have been cross-checking
you couldn't have been cross-checking
she couldn't have been cross-checking
we couldn't have been cross-checking
you couldn't have been cross-checking
they couldn't have been cross-checking

Interrogative form

Simple form

could I cross-check?
could you cross-check?
could she 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 she 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 she 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 she 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

couldn't I cross-check?
couldn't you cross-check?
couldn't she cross-check?
couldn't we cross-check?
couldn't you cross-check?
couldn't they cross-check?

V-ing form

couldn't I be cross-checking?
couldn't you be cross-checking?
couldn't she be cross-checking?
couldn't we be cross-checking?
couldn't you be cross-checking?
couldn't they be cross-checking?

Perfect

couldn't I have cross-checked?
couldn't you have cross-checked?
couldn't she have cross-checked?
couldn't we have cross-checked?
couldn't you have cross-checked?
couldn't they have cross-checked?

V-ing perfect

couldn't I have been cross-checking?
couldn't you have been cross-checking?
couldn't she have been cross-checking?
couldn't we have been cross-checking?
couldn't you have been cross-checking?
couldn't they have been cross-checking?

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