English verb conjugation COULD ILLUSTRATE

Regular verb: illustrate - illustrated - illustrated

Affirmation

Simple form

I could illustrate
you could illustrate
she could illustrate
we could illustrate
you could illustrate
they could illustrate

V-ing form

I could be illustrating
you could be illustrating
she could be illustrating
we could be illustrating
you could be illustrating
they could be illustrating

Perfect

I could have illustrated
you could have illustrated
she 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
she could have been illustrating
we could have been illustrating
you could have been illustrating
they could have been illustrating

Negation

Simple form

I couldn't illustrate
you couldn't illustrate
she couldn't illustrate
we couldn't illustrate
you couldn't illustrate
they couldn't illustrate

V-ing form

I couldn't be illustrating
you couldn't be illustrating
she couldn't be illustrating
we couldn't be illustrating
you couldn't be illustrating
they couldn't be illustrating

Perfect

I couldn't have illustrated
you couldn't have illustrated
she couldn't have illustrated
we couldn't have illustrated
you couldn't have illustrated
they couldn't have illustrated

V-ing perfect

I couldn't have been illustrating
you couldn't have been illustrating
she couldn't have been illustrating
we couldn't have been illustrating
you couldn't have been illustrating
they couldn't have been illustrating

Interrogative form

Simple form

could I illustrate?
could you illustrate?
could she illustrate?
could we illustrate?
could you illustrate?
could they illustrate?

V-ing form

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

Perfect

could I have illustrated?
could you have illustrated?
could she 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 she have been illustrating?
could we have been illustrating?
could you have been illustrating?
could they have been illustrating?

Interro-negative form

Simple form

couldn't I illustrate?
couldn't you illustrate?
couldn't she illustrate?
couldn't we illustrate?
couldn't you illustrate?
couldn't they illustrate?

V-ing form

couldn't I be illustrating?
couldn't you be illustrating?
couldn't she be illustrating?
couldn't we be illustrating?
couldn't you be illustrating?
couldn't they be illustrating?

Perfect

couldn't I have illustrated?
couldn't you have illustrated?
couldn't she have illustrated?
couldn't we have illustrated?
couldn't you have illustrated?
couldn't they have illustrated?

V-ing perfect

couldn't I have been illustrating?
couldn't you have been illustrating?
couldn't she have been illustrating?
couldn't we have been illustrating?
couldn't you have been illustrating?
couldn't they have been illustrating?

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