English verb conjugation COULD SPECIALISE

Regular verb: specialise - specialised - specialised

Affirmation

Simple form

I could specialise
you could specialise
he could specialise
we could specialise
you could specialise
they could specialise

V-ing form

I could be specialising
you could be specialising
he could be specialising
we could be specialising
you could be specialising
they could be specialising

Perfect

I could have specialised
you could have specialised
he could have specialised
we could have specialised
you could have specialised
they could have specialised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I specialise?
could you specialise?
could he specialise?
could we specialise?
could you specialise?
could they specialise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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