English verb conjugation COULD SYNCHRONISE

Regular verb: synchronise - synchronised - synchronised

Affirmation

Simple form

I could synchronise
you could synchronise
he could synchronise
we could synchronise
you could synchronise
they could synchronise

V-ing form

I could be synchronising
you could be synchronising
he could be synchronising
we could be synchronising
you could be synchronising
they could be synchronising

Perfect

I could have synchronised
you could have synchronised
he could have synchronised
we could have synchronised
you could have synchronised
they could have synchronised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I synchronise?
could you synchronise?
could he synchronise?
could we synchronise?
could you synchronise?
could they synchronise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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