English verb conjugation COULD BUTTERFLY

Regular verb: butterfly - butterflied - butterflied

Affirmation

Simple form

I could butterfly
you could butterfly
he could butterfly
we could butterfly
you could butterfly
they could butterfly

V-ing form

I could be butterflying
you could be butterflying
he could be butterflying
we could be butterflying
you could be butterflying
they could be butterflying

Perfect

I could have butterflied
you could have butterflied
he could have butterflied
we could have butterflied
you could have butterflied
they could have butterflied

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I butterfly?
could you butterfly?
could he butterfly?
could we butterfly?
could you butterfly?
could they butterfly?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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