English verb conjugation COULD INVIGORATE

Regular verb: invigorate - invigorated - invigorated

Affirmation

Simple form

I could invigorate
you could invigorate
he could invigorate
we could invigorate
you could invigorate
they could invigorate

V-ing form

I could be invigorating
you could be invigorating
he could be invigorating
we could be invigorating
you could be invigorating
they could be invigorating

Perfect

I could have invigorated
you could have invigorated
he could have invigorated
we could have invigorated
you could have invigorated
they could have invigorated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I invigorate?
could you invigorate?
could he invigorate?
could we invigorate?
could you invigorate?
could they invigorate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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