English verb conjugation COULD UNDECEIVE

Regular verb: undeceive - undeceived - undeceived

Affirmation

Simple form

I could undeceive
you could undeceive
she could undeceive
we could undeceive
you could undeceive
they could undeceive

V-ing form

I could be undeceiving
you could be undeceiving
she could be undeceiving
we could be undeceiving
you could be undeceiving
they could be undeceiving

Perfect

I could have undeceived
you could have undeceived
she 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
she could have been undeceiving
we could have been undeceiving
you could have been undeceiving
they could have been undeceiving

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I undeceive?
could you undeceive?
could she undeceive?
could we undeceive?
could you undeceive?
could they undeceive?

V-ing form

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

Perfect

could I have undeceived?
could you have undeceived?
could she 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 she have been undeceiving?
could we have been undeceiving?
could you have been undeceiving?
could they have been undeceiving?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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