English verb conjugation
COULD INTERPERVADE

Regular verb: interpervade - interpervaded - interpervaded

Affirmation

Simple form	V-ing form
I could interpervade you could interpervade he could interpervade we could interpervade you could interpervade they could interpervade	I could be interpervading you could be interpervading he could be interpervading we could be interpervading you could be interpervading they could be interpervading
Perfect	V-ing perfect
I could have interpervaded you could have interpervaded he could have interpervaded we could have interpervaded you could have interpervaded they could have interpervaded	I could have been interpervading you could have been interpervading he could have been interpervading we could have been interpervading you could have been interpervading they could have been interpervading

Negation

Simple form	V-ing form
I could not interpervade you could not interpervade he could not interpervade we could not interpervade you could not interpervade they could not interpervade	I could not be interpervading you could not be interpervading he could not be interpervading we could not be interpervading you could not be interpervading they could not be interpervading
Perfect	V-ing perfect
I could not have interpervaded you could not have interpervaded he could not have interpervaded we could not have interpervaded you could not have interpervaded they could not have interpervaded	I could not have been interpervading you could not have been interpervading he could not have been interpervading we could not have been interpervading you could not have been interpervading they could not have been interpervading

Interrogative form

Simple form	V-ing form
could I interpervade? could you interpervade? could he interpervade? could we interpervade? could you interpervade? could they interpervade?	could I be interpervading? could you be interpervading? could he be interpervading? could we be interpervading? could you be interpervading? could they be interpervading?
Perfect	V-ing perfect
could I have interpervaded? could you have interpervaded? could he have interpervaded? could we have interpervaded? could you have interpervaded? could they have interpervaded?	could I have been interpervading? could you have been interpervading? could he have been interpervading? could we have been interpervading? could you have been interpervading? could they have been interpervading?

Interro-negative form

Simple form	V-ing form
could I not interpervade? could you not interpervade? could he not interpervade? could we not interpervade? could you not interpervade? could they not interpervade?	could I not be interpervading? could you not be interpervading? could he not be interpervading? could we not be interpervading? could you not be interpervading? could they not be interpervading?
Perfect	V-ing perfect
could I not have interpervaded? could you not have interpervaded? could he not have interpervaded? could we not have interpervaded? could you not have interpervaded? could they not have interpervaded?	could I not have been interpervading? could you not have been interpervading? could he not have been interpervading? could we not have been interpervading? could you not have been interpervading? could they not have been interpervading?