English verb conjugation COULD FROGMARCH

Regular verb: frogmarch - frogmarched - frogmarched

Affirmation

Simple form

I could frogmarch
you could frogmarch
he could frogmarch
we could frogmarch
you could frogmarch
they could frogmarch

V-ing form

I could be frogmarching
you could be frogmarching
he could be frogmarching
we could be frogmarching
you could be frogmarching
they could be frogmarching

Perfect

I could have frogmarched
you could have frogmarched
he could have frogmarched
we could have frogmarched
you could have frogmarched
they could have frogmarched

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I frogmarch?
could you frogmarch?
could he frogmarch?
could we frogmarch?
could you frogmarch?
could they frogmarch?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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