English verb conjugation COULD SQUARE

Regular verb: square - squared - squared

Affirmation

Simple form

I could square
you could square
he could square
we could square
you could square
they could square

V-ing form

I could be squaring
you could be squaring
he could be squaring
we could be squaring
you could be squaring
they could be squaring

Perfect

I could have squared
you could have squared
he could have squared
we could have squared
you could have squared
they could have squared

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I square?
could you square?
could he square?
could we square?
could you square?
could they square?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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