English verb conjugation COULD SYNTHESISE

Regular verb: synthesise - synthesised - synthesised

Affirmation

Simple form

I could synthesise
you could synthesise
he could synthesise
we could synthesise
you could synthesise
they could synthesise

V-ing form

I could be synthesising
you could be synthesising
he could be synthesising
we could be synthesising
you could be synthesising
they could be synthesising

Perfect

I could have synthesised
you could have synthesised
he could have synthesised
we could have synthesised
you could have synthesised
they could have synthesised

V-ing perfect

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

Negation

Simple form

I could not synthesise
you could not synthesise
he could not synthesise
we could not synthesise
you could not synthesise
they could not synthesise

V-ing form

I could not be synthesising
you could not be synthesising
he could not be synthesising
we could not be synthesising
you could not be synthesising
they could not be synthesising

Perfect

I could not have synthesised
you could not have synthesised
he could not have synthesised
we could not have synthesised
you could not have synthesised
they could not have synthesised

V-ing perfect

I could not have been synthesising
you could not have been synthesising
he could not have been synthesising
we could not have been synthesising
you could not have been synthesising
they could not have been synthesising

Interrogative form

Simple form

could I synthesise?
could you synthesise?
could he synthesise?
could we synthesise?
could you synthesise?
could they synthesise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not synthesise?
could you not synthesise?
could he not synthesise?
could we not synthesise?
could you not synthesise?
could they not synthesise?

V-ing form

could I not be synthesising?
could you not be synthesising?
could he not be synthesising?
could we not be synthesising?
could you not be synthesising?
could they not be synthesising?

Perfect

could I not have synthesised?
could you not have synthesised?
could he not have synthesised?
could we not have synthesised?
could you not have synthesised?
could they not have synthesised?

V-ing perfect

could I not have been synthesising?
could you not have been synthesising?
could he not have been synthesising?
could we not have been synthesising?
could you not have been synthesising?
could they not have been synthesising?

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