English verb conjugation COULD MODIFY

Regular verb: modify - modified - modified

Affirmation

Simple form

I could modify
you could modify
he could modify
we could modify
you could modify
they could modify

V-ing form

I could be modifying
you could be modifying
he could be modifying
we could be modifying
you could be modifying
they could be modifying

Perfect

I could have modified
you could have modified
he could have modified
we could have modified
you could have modified
they could have modified

V-ing perfect

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

Negation

Simple form

I could not modify
you could not modify
he could not modify
we could not modify
you could not modify
they could not modify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I modify?
could you modify?
could he modify?
could we modify?
could you modify?
could they modify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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