female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD SOLVE
Regular verb: solve - solved - solved
Affirmation
Simple form
I could solveyou could solve
he could solve
we could solve
you could solve
they could solve
V-ing form
I could be solvingyou could be solving
he could be solving
we could be solving
you could be solving
they could be solving
Perfect
I could have solvedyou 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 solvingyou 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 couldn't solveyou couldn't solve
he couldn't solve
we couldn't solve
you couldn't solve
they couldn't solve
V-ing form
I couldn't be solvingyou couldn't be solving
he couldn't be solving
we couldn't be solving
you couldn't be solving
they couldn't be solving
Perfect
I couldn't have solvedyou couldn't have solved
he couldn't have solved
we couldn't have solved
you couldn't have solved
they couldn't have solved
V-ing perfect
I couldn't have been solvingyou couldn't have been solving
he couldn't have been solving
we couldn't have been solving
you couldn't have been solving
they couldn't 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
couldn't I solve?couldn't you solve?
couldn't he solve?
couldn't we solve?
couldn't you solve?
couldn't they solve?
V-ing form
couldn't I be solving?couldn't you be solving?
couldn't he be solving?
couldn't we be solving?
couldn't you be solving?
couldn't they be solving?
Perfect
couldn't I have solved?couldn't you have solved?
couldn't he have solved?
couldn't we have solved?
couldn't you have solved?
couldn't they have solved?
V-ing perfect
couldn't I have been solving?couldn't you have been solving?
couldn't he have been solving?
couldn't we have been solving?
couldn't you have been solving?
couldn't they have been solving?