English verb conjugation COULD PARENTHESISE

Regular verb: parenthesise - parenthesised - parenthesised

Affirmation

Simple form

I could parenthesise
you could parenthesise
she could parenthesise
we could parenthesise
you could parenthesise
they could parenthesise

V-ing form

I could be parenthesising
you could be parenthesising
she could be parenthesising
we could be parenthesising
you could be parenthesising
they could be parenthesising

Perfect

I could have parenthesised
you could have parenthesised
she could have parenthesised
we could have parenthesised
you could have parenthesised
they could have parenthesised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I parenthesise?
could you parenthesise?
could she parenthesise?
could we parenthesise?
could you parenthesise?
could they parenthesise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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