English verb conjugation COULD UPCHUCK

Regular verb: upchuck - upchucked - upchucked

Affirmation

Simple form

I could upchuck
you could upchuck
he could upchuck
we could upchuck
you could upchuck
they could upchuck

V-ing form

I could be upchucking
you could be upchucking
he could be upchucking
we could be upchucking
you could be upchucking
they could be upchucking

Perfect

I could have upchucked
you could have upchucked
he could have upchucked
we could have upchucked
you could have upchucked
they could have upchucked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I upchuck?
could you upchuck?
could he upchuck?
could we upchuck?
could you upchuck?
could they upchuck?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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