English verb conjugation COULD TAX

Regular verb: tax - taxed - taxed

Affirmation

Simple form

I could tax
you could tax
he could tax
we could tax
you could tax
they could tax

V-ing form

I could be taxing
you could be taxing
he could be taxing
we could be taxing
you could be taxing
they could be taxing

Perfect

I could have taxed
you could have taxed
he could have taxed
we could have taxed
you could have taxed
they could have taxed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tax?
could you tax?
could he tax?
could we tax?
could you tax?
could they tax?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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