English verb conjugation
COULD INTERPERVADE

Regular verb: interpervade - interpervaded - interpervaded

Affirmation

Simple form	V-ing form
I could interpervade you could interpervade she could interpervade we could interpervade you could interpervade they could interpervade	I could be interpervading you could be interpervading she 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 she 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 she 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 she 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 she 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 she 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 she 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 she interpervade? could we interpervade? could you interpervade? could they interpervade?	could I be interpervading? could you be interpervading? could she 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 she 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 she 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 she 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 she 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 she 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 she not have been interpervading? could we not have been interpervading? could you not have been interpervading? could they not have been interpervading?