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

English verb conjugation COULD DEFINE

Regular verb: define - defined - defined


Affirmation

Simple form
I could define
you could define
she could define
we could define
you could define
they could define
V-ing form
I could be defining
you could be defining
she could be defining
we could be defining
you could be defining
they could be defining
Perfect
I could have defined
you could have defined
she could have defined
we could have defined
you could have defined
they could have defined
V-ing perfect
I could have been defining
you could have been defining
she could have been defining
we could have been defining
you could have been defining
they could have been defining

Negation

Simple form
I couldn't define
you couldn't define
she couldn't define
we couldn't define
you couldn't define
they couldn't define
V-ing form
I couldn't be defining
you couldn't be defining
she couldn't be defining
we couldn't be defining
you couldn't be defining
they couldn't be defining
Perfect
I couldn't have defined
you couldn't have defined
she couldn't have defined
we couldn't have defined
you couldn't have defined
they couldn't have defined
V-ing perfect
I couldn't have been defining
you couldn't have been defining
she couldn't have been defining
we couldn't have been defining
you couldn't have been defining
they couldn't have been defining

Interrogative form

Simple form
could I define?
could you define?
could she define?
could we define?
could you define?
could they define?
V-ing form
could I be defining?
could you be defining?
could she be defining?
could we be defining?
could you be defining?
could they be defining?
Perfect
could I have defined?
could you have defined?
could she have defined?
could we have defined?
could you have defined?
could they have defined?
V-ing perfect
could I have been defining?
could you have been defining?
could she have been defining?
could we have been defining?
could you have been defining?
could they have been defining?

Interro-negative form

Simple form
couldn't I define?
couldn't you define?
couldn't she define?
couldn't we define?
couldn't you define?
couldn't they define?
V-ing form
couldn't I be defining?
couldn't you be defining?
couldn't she be defining?
couldn't we be defining?
couldn't you be defining?
couldn't they be defining?
Perfect
couldn't I have defined?
couldn't you have defined?
couldn't she have defined?
couldn't we have defined?
couldn't you have defined?
couldn't they have defined?
V-ing perfect
couldn't I have been defining?
couldn't you have been defining?
couldn't she have been defining?
couldn't we have been defining?
couldn't you have been defining?
couldn't they have been defining?