English verb conjugation COULD SOLVE

Regular verb: solve - solved - solved

Affirmation

Simple form

I could solve
you could solve
he could solve
we could solve
you could solve
they could solve

V-ing form

I could be solving
you could be solving
he could be solving
we could be solving
you could be solving
they could be solving

Perfect

I could have solved
you could have solved
he could have solved
we could have solved
you could have solved
they could have solved

V-ing perfect

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

Negation

Simple form

I could not solve
you could not solve
he could not solve
we could not solve
you could not solve
they could not solve

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I solve?
could you solve?
could he solve?
could we solve?
could you solve?
could they solve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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