English verb conjugation COULD UNDERPRODUCE

Regular verb: underproduce - underproduced - underproduced

Affirmation

Simple form

I could underproduce
you could underproduce
he could underproduce
we could underproduce
you could underproduce
they could underproduce

V-ing form

I could be underproducing
you could be underproducing
he could be underproducing
we could be underproducing
you could be underproducing
they could be underproducing

Perfect

I could have underproduced
you could have underproduced
he could have underproduced
we could have underproduced
you could have underproduced
they could have underproduced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I underproduce?
could you underproduce?
could he underproduce?
could we underproduce?
could you underproduce?
could they underproduce?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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