English verb conjugation COULD OPTIMISE

Regular verb: optimise - optimised - optimised

Affirmation

Simple form

I could optimise
you could optimise
he could optimise
we could optimise
you could optimise
they could optimise

V-ing form

I could be optimising
you could be optimising
he could be optimising
we could be optimising
you could be optimising
they could be optimising

Perfect

I could have optimised
you could have optimised
he could have optimised
we could have optimised
you could have optimised
they could have optimised

V-ing perfect

I could have been optimising
you could have been optimising
he could have been optimising
we could have been optimising
you could have been optimising
they could have been optimising

Negation

Simple form

I couldn't optimise
you couldn't optimise
he couldn't optimise
we couldn't optimise
you couldn't optimise
they couldn't optimise

V-ing form

I couldn't be optimising
you couldn't be optimising
he couldn't be optimising
we couldn't be optimising
you couldn't be optimising
they couldn't be optimising

Perfect

I couldn't have optimised
you couldn't have optimised
he couldn't have optimised
we couldn't have optimised
you couldn't have optimised
they couldn't have optimised

V-ing perfect

I couldn't have been optimising
you couldn't have been optimising
he couldn't have been optimising
we couldn't have been optimising
you couldn't have been optimising
they couldn't have been optimising

Interrogative form

Simple form

could I optimise?
could you optimise?
could he optimise?
could we optimise?
could you optimise?
could they optimise?

V-ing form

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

Perfect

could I have optimised?
could you have optimised?
could he have optimised?
could we have optimised?
could you have optimised?
could they have optimised?

V-ing perfect

could I have been optimising?
could you have been optimising?
could he have been optimising?
could we have been optimising?
could you have been optimising?
could they have been optimising?

Interro-negative form

Simple form

couldn't I optimise?
couldn't you optimise?
couldn't he optimise?
couldn't we optimise?
couldn't you optimise?
couldn't they optimise?

V-ing form

couldn't I be optimising?
couldn't you be optimising?
couldn't he be optimising?
couldn't we be optimising?
couldn't you be optimising?
couldn't they be optimising?

Perfect

couldn't I have optimised?
couldn't you have optimised?
couldn't he have optimised?
couldn't we have optimised?
couldn't you have optimised?
couldn't they have optimised?

V-ing perfect

couldn't I have been optimising?
couldn't you have been optimising?
couldn't he have been optimising?
couldn't we have been optimising?
couldn't you have been optimising?
couldn't they have been optimising?

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