English verb conjugation COULD SUMMERSAULT

Regular verb: summersault - summersaulted - summersaulted

Affirmation

Simple form

I could summersault
you could summersault
he could summersault
we could summersault
you could summersault
they could summersault

V-ing form

I could be summersaulting
you could be summersaulting
he could be summersaulting
we could be summersaulting
you could be summersaulting
they could be summersaulting

Perfect

I could have summersaulted
you could have summersaulted
he could have summersaulted
we could have summersaulted
you could have summersaulted
they could have summersaulted

V-ing perfect

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

Negation

Simple form

I could not summersault
you could not summersault
he could not summersault
we could not summersault
you could not summersault
they could not summersault

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I summersault?
could you summersault?
could he summersault?
could we summersault?
could you summersault?
could they summersault?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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