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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD BACKSOLVE

Regular verb: backsolve - backsolved - backsolved


Affirmation

Simple form
I could backsolve
you could backsolve
she could backsolve
we could backsolve
you could backsolve
they could backsolve
V-ing form
I could be backsolving
you could be backsolving
she could be backsolving
we could be backsolving
you could be backsolving
they could be backsolving
Perfect
I could have backsolved
you could have backsolved
she could have backsolved
we could have backsolved
you could have backsolved
they could have backsolved
V-ing perfect
I could have been backsolving
you could have been backsolving
she could have been backsolving
we could have been backsolving
you could have been backsolving
they could have been backsolving

Negation

Simple form
I couldn't backsolve
you couldn't backsolve
she couldn't backsolve
we couldn't backsolve
you couldn't backsolve
they couldn't backsolve
V-ing form
I couldn't be backsolving
you couldn't be backsolving
she couldn't be backsolving
we couldn't be backsolving
you couldn't be backsolving
they couldn't be backsolving
Perfect
I couldn't have backsolved
you couldn't have backsolved
she couldn't have backsolved
we couldn't have backsolved
you couldn't have backsolved
they couldn't have backsolved
V-ing perfect
I couldn't have been backsolving
you couldn't have been backsolving
she couldn't have been backsolving
we couldn't have been backsolving
you couldn't have been backsolving
they couldn't have been backsolving

Interrogative form

Simple form
could I backsolve?
could you backsolve?
could she backsolve?
could we backsolve?
could you backsolve?
could they backsolve?
V-ing form
could I be backsolving?
could you be backsolving?
could she be backsolving?
could we be backsolving?
could you be backsolving?
could they be backsolving?
Perfect
could I have backsolved?
could you have backsolved?
could she have backsolved?
could we have backsolved?
could you have backsolved?
could they have backsolved?
V-ing perfect
could I have been backsolving?
could you have been backsolving?
could she have been backsolving?
could we have been backsolving?
could you have been backsolving?
could they have been backsolving?

Interro-negative form

Simple form
couldn't I backsolve?
couldn't you backsolve?
couldn't she backsolve?
couldn't we backsolve?
couldn't you backsolve?
couldn't they backsolve?
V-ing form
couldn't I be backsolving?
couldn't you be backsolving?
couldn't she be backsolving?
couldn't we be backsolving?
couldn't you be backsolving?
couldn't they be backsolving?
Perfect
couldn't I have backsolved?
couldn't you have backsolved?
couldn't she have backsolved?
couldn't we have backsolved?
couldn't you have backsolved?
couldn't they have backsolved?
V-ing perfect
couldn't I have been backsolving?
couldn't you have been backsolving?
couldn't she have been backsolving?
couldn't we have been backsolving?
couldn't you have been backsolving?
couldn't they have been backsolving?