English verb conjugation COULD FROTH

Regular verb: froth - frothed - frothed

Affirmation

Simple form

I could froth
you could froth
he could froth
we could froth
you could froth
they could froth

V-ing form

I could be frothing
you could be frothing
he could be frothing
we could be frothing
you could be frothing
they could be frothing

Perfect

I could have frothed
you could have frothed
he could have frothed
we could have frothed
you could have frothed
they could have frothed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I froth?
could you froth?
could he froth?
could we froth?
could you froth?
could they froth?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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