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 could not froth
you could not froth
he could not froth
we could not froth
you could not froth
they could not froth

V-ing form

I could not be frothing
you could not be frothing
he could not be frothing
we could not be frothing
you could not be frothing
they could not be frothing

Perfect

I could not have frothed
you could not have frothed
he could not have frothed
we could not have frothed
you could not have frothed
they could not have frothed

V-ing perfect

I could not have been frothing
you could not have been frothing
he could not have been frothing
we could not have been frothing
you could not have been frothing
they could not 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

could I not froth?
could you not froth?
could he not froth?
could we not froth?
could you not froth?
could they not froth?

V-ing form

could I not be frothing?
could you not be frothing?
could he not be frothing?
could we not be frothing?
could you not be frothing?
could they not be frothing?

Perfect

could I not have frothed?
could you not have frothed?
could he not have frothed?
could we not have frothed?
could you not have frothed?
could they not have frothed?

V-ing perfect

could I not have been frothing?
could you not have been frothing?
could he not have been frothing?
could we not have been frothing?
could you not have been frothing?
could they not have been frothing?

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