English verb conjugation COULD ILLUSTRATE

Regular verb: illustrate - illustrated - illustrated

Affirmation

Simple form

I could illustrate
you could illustrate
he could illustrate
we could illustrate
you could illustrate
they could illustrate

V-ing form

I could be illustrating
you could be illustrating
he could be illustrating
we could be illustrating
you could be illustrating
they could be illustrating

Perfect

I could have illustrated
you could have illustrated
he could have illustrated
we could have illustrated
you could have illustrated
they could have illustrated

V-ing perfect

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

Negation

Simple form

I could not illustrate
you could not illustrate
he could not illustrate
we could not illustrate
you could not illustrate
they could not illustrate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I illustrate?
could you illustrate?
could he illustrate?
could we illustrate?
could you illustrate?
could they illustrate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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