English verb conjugation COULD PARBOIL

Regular verb: parboil - parboiled - parboiled

Affirmation

Simple form

I could parboil
you could parboil
she could parboil
we could parboil
you could parboil
they could parboil

V-ing form

I could be parboiling
you could be parboiling
she could be parboiling
we could be parboiling
you could be parboiling
they could be parboiling

Perfect

I could have parboiled
you could have parboiled
she could have parboiled
we could have parboiled
you could have parboiled
they could have parboiled

V-ing perfect

I could have been parboiling
you could have been parboiling
she could have been parboiling
we could have been parboiling
you could have been parboiling
they could have been parboiling

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I parboil?
could you parboil?
could she parboil?
could we parboil?
could you parboil?
could they parboil?

V-ing form

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

Perfect

could I have parboiled?
could you have parboiled?
could she have parboiled?
could we have parboiled?
could you have parboiled?
could they have parboiled?

V-ing perfect

could I have been parboiling?
could you have been parboiling?
could she have been parboiling?
could we have been parboiling?
could you have been parboiling?
could they have been parboiling?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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