English verb conjugation COULD TARIFF

Regular verb: tariff - tariffed - tariffed

Affirmation

Simple form

I could tariff
you could tariff
he could tariff
we could tariff
you could tariff
they could tariff

V-ing form

I could be tariffing
you could be tariffing
he could be tariffing
we could be tariffing
you could be tariffing
they could be tariffing

Perfect

I could have tariffed
you could have tariffed
he could have tariffed
we could have tariffed
you could have tariffed
they could have tariffed

V-ing perfect

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

Negation

Simple form

I could not tariff
you could not tariff
he could not tariff
we could not tariff
you could not tariff
they could not tariff

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tariff?
could you tariff?
could he tariff?
could we tariff?
could you tariff?
could they tariff?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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