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 couldn't summersault
you couldn't summersault
he couldn't summersault
we couldn't summersault
you couldn't summersault
they couldn't summersault

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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