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 could not square
you could not square
he could not square
we could not square
you could not square
they could not square

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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