English verb conjugation COULD PARENTHESISE

Regular verb: parenthesise - parenthesised - parenthesised

Affirmation

Simple form

I could parenthesise
you could parenthesise
he could parenthesise
we could parenthesise
you could parenthesise
they could parenthesise

V-ing form

I could be parenthesising
you could be parenthesising
he could be parenthesising
we could be parenthesising
you could be parenthesising
they could be parenthesising

Perfect

I could have parenthesised
you could have parenthesised
he 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
he 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
he 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
he 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
he 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
he 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 he parenthesise?
could we parenthesise?
could you parenthesise?
could they parenthesise?

V-ing form

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

Perfect

could I have parenthesised?
could you have parenthesised?
could he 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 he 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 he 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 he 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 he 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 he 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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