English verb conjugation COULD UNDERVALUE

Regular verb: undervalue - undervalued - undervalued

Affirmation

Simple form

I could undervalue
you could undervalue
he could undervalue
we could undervalue
you could undervalue
they could undervalue

V-ing form

I could be undervaluing
you could be undervaluing
he could be undervaluing
we could be undervaluing
you could be undervaluing
they could be undervaluing

Perfect

I could have undervalued
you could have undervalued
he could have undervalued
we could have undervalued
you could have undervalued
they could have undervalued

V-ing perfect

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

Negation

Simple form

I couldn't undervalue
you couldn't undervalue
he couldn't undervalue
we couldn't undervalue
you couldn't undervalue
they couldn't undervalue

V-ing form

I couldn't be undervaluing
you couldn't be undervaluing
he couldn't be undervaluing
we couldn't be undervaluing
you couldn't be undervaluing
they couldn't be undervaluing

Perfect

I couldn't have undervalued
you couldn't have undervalued
he couldn't have undervalued
we couldn't have undervalued
you couldn't have undervalued
they couldn't have undervalued

V-ing perfect

I couldn't have been undervaluing
you couldn't have been undervaluing
he couldn't have been undervaluing
we couldn't have been undervaluing
you couldn't have been undervaluing
they couldn't have been undervaluing

Interrogative form

Simple form

could I undervalue?
could you undervalue?
could he undervalue?
could we undervalue?
could you undervalue?
could they undervalue?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I undervalue?
couldn't you undervalue?
couldn't he undervalue?
couldn't we undervalue?
couldn't you undervalue?
couldn't they undervalue?

V-ing form

couldn't I be undervaluing?
couldn't you be undervaluing?
couldn't he be undervaluing?
couldn't we be undervaluing?
couldn't you be undervaluing?
couldn't they be undervaluing?

Perfect

couldn't I have undervalued?
couldn't you have undervalued?
couldn't he have undervalued?
couldn't we have undervalued?
couldn't you have undervalued?
couldn't they have undervalued?

V-ing perfect

couldn't I have been undervaluing?
couldn't you have been undervaluing?
couldn't he have been undervaluing?
couldn't we have been undervaluing?
couldn't you have been undervaluing?
couldn't they have been undervaluing?

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