English verb conjugation COULD SINGULARISE

Regular verb: singularise - singularised - singularised

Affirmation

Simple form

I could singularise
you could singularise
she could singularise
we could singularise
you could singularise
they could singularise

V-ing form

I could be singularising
you could be singularising
she could be singularising
we could be singularising
you could be singularising
they could be singularising

Perfect

I could have singularised
you could have singularised
she could have singularised
we could have singularised
you could have singularised
they could have singularised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I singularise?
could you singularise?
could she singularise?
could we singularise?
could you singularise?
could they singularise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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