English verb conjugation COULD PARENTHESIZE

Regular verb: parenthesize - parenthesized - parenthesized

Affirmation

Simple form

I could parenthesize
you could parenthesize
she could parenthesize
we could parenthesize
you could parenthesize
they could parenthesize

V-ing form

I could be parenthesizing
you could be parenthesizing
she could be parenthesizing
we could be parenthesizing
you could be parenthesizing
they could be parenthesizing

Perfect

I could have parenthesized
you could have parenthesized
she could have parenthesized
we could have parenthesized
you could have parenthesized
they could have parenthesized

V-ing perfect

I could have been parenthesizing
you could have been parenthesizing
she could have been parenthesizing
we could have been parenthesizing
you could have been parenthesizing
they could have been parenthesizing

Negation

Simple form

I couldn't parenthesize
you couldn't parenthesize
she couldn't parenthesize
we couldn't parenthesize
you couldn't parenthesize
they couldn't parenthesize

V-ing form

I couldn't be parenthesizing
you couldn't be parenthesizing
she couldn't be parenthesizing
we couldn't be parenthesizing
you couldn't be parenthesizing
they couldn't be parenthesizing

Perfect

I couldn't have parenthesized
you couldn't have parenthesized
she couldn't have parenthesized
we couldn't have parenthesized
you couldn't have parenthesized
they couldn't have parenthesized

V-ing perfect

I couldn't have been parenthesizing
you couldn't have been parenthesizing
she couldn't have been parenthesizing
we couldn't have been parenthesizing
you couldn't have been parenthesizing
they couldn't have been parenthesizing

Interrogative form

Simple form

could I parenthesize?
could you parenthesize?
could she parenthesize?
could we parenthesize?
could you parenthesize?
could they parenthesize?

V-ing form

could I be parenthesizing?
could you be parenthesizing?
could she be parenthesizing?
could we be parenthesizing?
could you be parenthesizing?
could they be parenthesizing?

Perfect

could I have parenthesized?
could you have parenthesized?
could she have parenthesized?
could we have parenthesized?
could you have parenthesized?
could they have parenthesized?

V-ing perfect

could I have been parenthesizing?
could you have been parenthesizing?
could she have been parenthesizing?
could we have been parenthesizing?
could you have been parenthesizing?
could they have been parenthesizing?

Interro-negative form

Simple form

couldn't I parenthesize?
couldn't you parenthesize?
couldn't she parenthesize?
couldn't we parenthesize?
couldn't you parenthesize?
couldn't they parenthesize?

V-ing form

couldn't I be parenthesizing?
couldn't you be parenthesizing?
couldn't she be parenthesizing?
couldn't we be parenthesizing?
couldn't you be parenthesizing?
couldn't they be parenthesizing?

Perfect

couldn't I have parenthesized?
couldn't you have parenthesized?
couldn't she have parenthesized?
couldn't we have parenthesized?
couldn't you have parenthesized?
couldn't they have parenthesized?

V-ing perfect

couldn't I have been parenthesizing?
couldn't you have been parenthesizing?
couldn't she have been parenthesizing?
couldn't we have been parenthesizing?
couldn't you have been parenthesizing?
couldn't they have been parenthesizing?

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