English verb conjugation COULD CO-STAR

Regular verb: co-star - co-stared - co-stared

Affirmation

Simple form

I could co-star
you could co-star
he could co-star
we could co-star
you could co-star
they could co-star

V-ing form

I could be co-staring
you could be co-staring
he could be co-staring
we could be co-staring
you could be co-staring
they could be co-staring

Perfect

I could have co-stared
you could have co-stared
he could have co-stared
we could have co-stared
you could have co-stared
they could have co-stared

V-ing perfect

I could have been co-staring
you could have been co-staring
he could have been co-staring
we could have been co-staring
you could have been co-staring
they could have been co-staring

Negation

Simple form

I could not co-star
you could not co-star
he could not co-star
we could not co-star
you could not co-star
they could not co-star

V-ing form

I could not be co-staring
you could not be co-staring
he could not be co-staring
we could not be co-staring
you could not be co-staring
they could not be co-staring

Perfect

I could not have co-stared
you could not have co-stared
he could not have co-stared
we could not have co-stared
you could not have co-stared
they could not have co-stared

V-ing perfect

I could not have been co-staring
you could not have been co-staring
he could not have been co-staring
we could not have been co-staring
you could not have been co-staring
they could not have been co-staring

Interrogative form

Simple form

could I co-star?
could you co-star?
could he co-star?
could we co-star?
could you co-star?
could they co-star?

V-ing form

could I be co-staring?
could you be co-staring?
could he be co-staring?
could we be co-staring?
could you be co-staring?
could they be co-staring?

Perfect

could I have co-stared?
could you have co-stared?
could he have co-stared?
could we have co-stared?
could you have co-stared?
could they have co-stared?

V-ing perfect

could I have been co-staring?
could you have been co-staring?
could he have been co-staring?
could we have been co-staring?
could you have been co-staring?
could they have been co-staring?

Interro-negative form

Simple form

could I not co-star?
could you not co-star?
could he not co-star?
could we not co-star?
could you not co-star?
could they not co-star?

V-ing form

could I not be co-staring?
could you not be co-staring?
could he not be co-staring?
could we not be co-staring?
could you not be co-staring?
could they not be co-staring?

Perfect

could I not have co-stared?
could you not have co-stared?
could he not have co-stared?
could we not have co-stared?
could you not have co-stared?
could they not have co-stared?

V-ing perfect

could I not have been co-staring?
could you not have been co-staring?
could he not have been co-staring?
could we not have been co-staring?
could you not have been co-staring?
could they not have been co-staring?

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