English verb conjugation COULD UNDECEIVE

Regular verb: undeceive - undeceived - undeceived

Affirmation

Simple form

I could undeceive
you could undeceive
he could undeceive
we could undeceive
you could undeceive
they could undeceive

V-ing form

I could be undeceiving
you could be undeceiving
he could be undeceiving
we could be undeceiving
you could be undeceiving
they could be undeceiving

Perfect

I could have undeceived
you could have undeceived
he could have undeceived
we could have undeceived
you could have undeceived
they could have undeceived

V-ing perfect

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

Negation

Simple form

I could not undeceive
you could not undeceive
he could not undeceive
we could not undeceive
you could not undeceive
they could not undeceive

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I undeceive?
could you undeceive?
could he undeceive?
could we undeceive?
could you undeceive?
could they undeceive?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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