English verb conjugation COULD PERVADE

Regular verb: pervade - pervaded - pervaded

Affirmation

Simple form

I could pervade
you could pervade
she could pervade
we could pervade
you could pervade
they could pervade

V-ing form

I could be pervading
you could be pervading
she could be pervading
we could be pervading
you could be pervading
they could be pervading

Perfect

I could have pervaded
you could have pervaded
she could have pervaded
we could have pervaded
you could have pervaded
they could have pervaded

V-ing perfect

I could have been pervading
you could have been pervading
she could have been pervading
we could have been pervading
you could have been pervading
they could have been pervading

Negation

Simple form

I could not pervade
you could not pervade
she could not pervade
we could not pervade
you could not pervade
they could not pervade

V-ing form

I could not be pervading
you could not be pervading
she could not be pervading
we could not be pervading
you could not be pervading
they could not be pervading

Perfect

I could not have pervaded
you could not have pervaded
she could not have pervaded
we could not have pervaded
you could not have pervaded
they could not have pervaded

V-ing perfect

I could not have been pervading
you could not have been pervading
she could not have been pervading
we could not have been pervading
you could not have been pervading
they could not have been pervading

Interrogative form

Simple form

could I pervade?
could you pervade?
could she pervade?
could we pervade?
could you pervade?
could they pervade?

V-ing form

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

Perfect

could I have pervaded?
could you have pervaded?
could she have pervaded?
could we have pervaded?
could you have pervaded?
could they have pervaded?

V-ing perfect

could I have been pervading?
could you have been pervading?
could she have been pervading?
could we have been pervading?
could you have been pervading?
could they have been pervading?

Interro-negative form

Simple form

could I not pervade?
could you not pervade?
could she not pervade?
could we not pervade?
could you not pervade?
could they not pervade?

V-ing form

could I not be pervading?
could you not be pervading?
could she not be pervading?
could we not be pervading?
could you not be pervading?
could they not be pervading?

Perfect

could I not have pervaded?
could you not have pervaded?
could she not have pervaded?
could we not have pervaded?
could you not have pervaded?
could they not have pervaded?

V-ing perfect

could I not have been pervading?
could you not have been pervading?
could she not have been pervading?
could we not have been pervading?
could you not have been pervading?
could they not have been pervading?

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